{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40983", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-04-16T02:19:04.616Z", "datePublished": "2026-06-09T03:46:54.131Z", "dateUpdated": "2026-07-21T12:04:59.820Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-23T19:56:44.379Z"}, "title": "Micrometer gRPC server instrumentation DoS vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "An unauthenticated remote attacker can cause denial of service by sending specially crafted gRPC requests that trigger excessive resource consumption in applications using Micrometer's ObservationGrpcServerInterceptor."}]}], "affected": [{"vendor": "Spring", "product": "Micrometer", "versions": [{"status": "affected", "version": "1.16.0", "lessThan": "1.16.5.1", "versionType": "custom"}, {"status": "affected", "version": "1.15.0", "lessThan": "1.15.11.1", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nMicrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nMicrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11."}]}], "references": [{"url": "https://spring.io/security/cve-2026-40983"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-09T13:53:39.829639Z", "id": "CVE-2026-40983", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T13:54:04.441Z"}}, {"affected": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:apache_camel_quarkus:3.33"], "defaultStatus": "unaffected", "packageName": "micrometer-core", "product": "Red Hat Build of Apache Camel 4.18 for Quarkus 3.33", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_data_grid:8"], "defaultStatus": "unaffected", "packageName": "micrometer-core", "product": "Red Hat Data Grid 8.6.2", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:amq_broker:7"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat AMQ Broker 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:amq_clients:2023"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat AMQ Clients", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_quarkus:3"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat build of Apache Camel 4 for Quarkus 3", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "defaultStatus": "unaffected", "packageName": "micrometer-core", "product": "Red Hat build of Apache Camel for Spring Boot 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:apache_camel_hawtio:4"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat build of Apache Camel - HawtIO 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:apicurio_registry:3"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat build of Apicurio Registry 3", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:debezium:3"], "defaultStatus": "unaffected", "packageName": "micrometer-core", "product": "Red Hat build of Debezium 3", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:build_keycloak:"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat Build of Keycloak", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:build_keycloak:"], "defaultStatus": "affected", "packageName": "rhbk/keycloak-rhel9", "product": "Red Hat Build of Keycloak", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:build_keycloak:"], "defaultStatus": "affected", "packageName": "rhbk/keycloak-rhel9-operator", "product": "Red Hat Build of Keycloak", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:build_keycloak:"], "defaultStatus": "affected", "packageName": "rhbk-openshift-rhel9/rhbk-openshift-rhel9", "product": "Red Hat Build of Keycloak", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:build_keycloak:"], "defaultStatus": "affected", "packageName": "rhbk-rhel9-operator/rhbk-rhel9-operator", "product": "Red Hat Build of Keycloak", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:quarkus:3"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat build of Quarkus", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_fuse:7"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat Fuse 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jbosseapxp"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift_ai"], "defaultStatus": "unaffected", "packageName": "rhoai/odh-trustyai-service-rhel9", "product": "Red Hat OpenShift AI (RHOAI)", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift_devspaces:3"], "defaultStatus": "unknown", "packageName": "devspaces/openvsx-rhel9", "product": "Red Hat OpenShift Dev Spaces", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift_devspaces:3"], "defaultStatus": "unknown", "packageName": "devspaces/pluginregistry-rhel9", "product": "Red Hat OpenShift Dev Spaces", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift_devspaces:3"], "defaultStatus": "unknown", "packageName": "devspaces/server-rhel9", "product": "Red Hat OpenShift Dev Spaces", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:satellite:6"], "defaultStatus": "unknown", "packageName": "candlepin", "product": "Red Hat Satellite 6", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:satellite:6"], "defaultStatus": "unknown", "packageName": "satellite:el8/candlepin", "product": "Red Hat Satellite 6", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:amq_streams:2"], "defaultStatus": "unaffected", "packageName": "micrometer-core", "product": "streams for Apache Kafka 2", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:amq_streams:3"], "defaultStatus": "affected", "packageName": "micrometer-core", "product": "streams for Apache Kafka 3", "vendor": "Red Hat"}], "datePublic": "2026-06-09T03:46:54.131Z", "descriptions": [{"lang": "en", "value": "A flaw was found in Micrometer. A remote attacker can provide specially crafted gRPC (gRPC Remote Procedure Call) requests, which may lead to a denial-of-service (DoS) condition. This vulnerability allows an attacker to disrupt the availability of the affected system."}], "metrics": [{"other": {"content": {"namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "description": "Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE"}]}], "references": [{"tags": ["vdb-entry", "x_refsource_REDHAT"], "url": "https://access.redhat.com/security/cve/CVE-2026-40983"}, {"name": "RHBZ#2486697", "tags": ["issue-tracking", "x_refsource_REDHAT"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486697"}, {"tags": ["x_sadp-csaf-vex"], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40983.json"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:36839"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:41951"}], "solutions": [{"lang": "en", "value": "RHSA-2026:36839: Red Hat Build of Apache Camel 4.18 for Quarkus 3.33"}, {"lang": "en", "value": "RHSA-2026:41951: Red Hat Data Grid 8.6.2"}], "timeline": [{"lang": "en", "time": "2026-06-09T05:00:52.290Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-06-09T03:46:54.131Z", "value": "Made public."}], "title": "micrometer: micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests", "workarounds": [{"lang": "en", "value": "To mitigate this issue, restrict network access to services exposing Micrometer's gRPC endpoints to trusted clients only. Implement firewall rules to limit inbound connections to the specific ports used by gRPC. If gRPC functionality is not essential for the deployment, consider disabling it entirely to eliminate the attack vector. Any changes to network configurations or service settings may require a service restart to take effect, potentially impacting availability during the transition."}], "x_adpType": "supplier", "x_generator": {"engine": "sadp-cli 1.0.0"}, "providerMetadata": {"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-21T12:04:59.820Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "micrometer: micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests", "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"cpes": ["cpe:/a:redhat:apache_camel_quarkus:3.33"], "vendor": "Red Hat", "product": "Red Hat Build of Apache Camel 4.18 for Quarkus 3.33", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_data_grid:8"], "vendor": "Red Hat", "product": "Red Hat Data Grid 8.6.2", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:amq_broker:7"], "vendor": "Red Hat", "product": "Red Hat AMQ Broker 7", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:amq_clients:2023"], "vendor": "Red Hat", "product": "Red Hat AMQ Clients", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:camel_quarkus:3"], "vendor": "Red Hat", "product": "Red Hat build of Apache Camel 4 for Quarkus 3", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "vendor": "Red Hat", "product": "Red Hat build of Apache Camel for Spring Boot 4", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:apache_camel_hawtio:4"], "vendor": "Red Hat", "product": "Red Hat build of Apache Camel - HawtIO 4", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:apicurio_registry:3"], "vendor": "Red Hat", "product": "Red Hat build of Apicurio Registry 3", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:debezium:3"], "vendor": "Red Hat", "product": "Red Hat build of Debezium 3", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:"], "vendor": "Red Hat", "product": "Red Hat Build of Keycloak", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:"], "vendor": "Red Hat", "product": "Red Hat Build of Keycloak", "packageName": "rhbk/keycloak-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:"], "vendor": "Red Hat", "product": "Red Hat Build of Keycloak", "packageName": "rhbk/keycloak-rhel9-operator", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:"], "vendor": "Red Hat", "product": "Red Hat Build of Keycloak", "packageName": "rhbk-openshift-rhel9/rhbk-openshift-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:"], "vendor": "Red Hat", "product": "Red Hat Build of Keycloak", "packageName": "rhbk-rhel9-operator/rhbk-rhel9-operator", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:quarkus:3"], "vendor": "Red Hat", "product": "Red Hat build of Quarkus", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:jboss_fuse:7"], "vendor": "Red Hat", "product": "Red Hat Fuse 7", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:jbosseapxp"], "vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_ai"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI (RHOAI)", "packageName": "rhoai/odh-trustyai-service-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_devspaces:3"], "vendor": "Red Hat", "product": "Red Hat OpenShift Dev Spaces", "packageName": "devspaces/openvsx-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:openshift_devspaces:3"], "vendor": "Red Hat", "product": "Red Hat OpenShift Dev Spaces", "packageName": "devspaces/pluginregistry-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:openshift_devspaces:3"], "vendor": "Red Hat", "product": "Red Hat OpenShift Dev Spaces", "packageName": "devspaces/server-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:satellite:6"], "vendor": "Red Hat", "product": "Red Hat Satellite 6", "packageName": "candlepin", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:satellite:6"], "vendor": "Red Hat", "product": "Red Hat Satellite 6", "packageName": "satellite:el8/candlepin", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:amq_streams:2"], "vendor": "Red Hat", "product": "streams for Apache Kafka 2", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:amq_streams:3"], "vendor": "Red Hat", "product": "streams for Apache Kafka 3", "packageName": "micrometer-core", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}], "timeline": [{"lang": "en", "time": "2026-06-09T05:00:52.290Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-06-09T03:46:54.131Z", "value": "Made public."}], "solutions": [{"lang": "en", "value": "RHSA-2026:36839: Red Hat Build of Apache Camel 4.18 for Quarkus 3.33"}, {"lang": "en", "value": "RHSA-2026:41951: Red Hat Data Grid 8.6.2"}], "x_adpType": "supplier", "datePublic": "2026-06-09T03:46:54.131Z", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-40983", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486697", "name": "RHBZ#2486697", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40983.json", "tags": ["x_sadp-csaf-vex"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:36839", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:41951", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}], "workarounds": [{"lang": "en", "value": "To mitigate this issue, restrict network access to services exposing Micrometer's gRPC endpoints to trusted clients only. Implement firewall rules to limit inbound connections to the specific ports used by gRPC. If gRPC functionality is not essential for the deployment, consider disabling it entirely to eliminate the attack vector. Any changes to network configurations or service settings may require a service restart to take effect, potentially impacting availability during the transition."}], "x_generator": {"engine": "sadp-cli 1.0.0"}, "descriptions": [{"lang": "en", "value": "A flaw was found in Micrometer. A remote attacker can provide specially crafted gRPC (gRPC Remote Procedure Call) requests, which may lead to a denial-of-service (DoS) condition. This vulnerability allows an attacker to disrupt the availability of the affected system."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-770", "description": "Allocation of Resources Without Limits or Throttling"}]}], "providerMetadata": {"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-21T12:04:59.820Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-40983", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-09T13:53:39.829639Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T13:53:52.376Z"}}], "cna": {"title": "Micrometer gRPC server instrumentation DoS vulnerability", "source": {"discovery": "UNKNOWN"}, "impacts": [{"descriptions": [{"lang": "en", "value": "An unauthenticated remote attacker can cause denial of service by sending specially crafted gRPC requests that trigger excessive resource consumption in applications using Micrometer's ObservationGrpcServerInterceptor."}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Spring", "product": "Micrometer", "versions": [{"status": "affected", "version": "1.16.0", "lessThan": "1.16.5.1", "versionType": "custom"}, {"status": "affected", "version": "1.15.0", "lessThan": "1.15.11.1", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://spring.io/security/cve-2026-40983"}], "x_generator": {"engine": "Vulnogram 1.0.1"}, "descriptions": [{"lang": "en", "value": "In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nMicrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11.", "supportingMedia": [{"type": "text/html", "value": "In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nMicrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-23T19:56:44.379Z"}}}, "cveMetadata": {"cveId": "CVE-2026-40983", "state": "PUBLISHED", "dateUpdated": "2026-07-21T12:04:59.820Z", "dateReserved": "2026-04-16T02:19:04.616Z", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "datePublished": "2026-06-09T03:46:54.131Z", "assignerShortName": "vmware"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nMicrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11."}], "id": "CVE-2026-40983", "lastModified": "2026-06-09T13:49:39.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@vmware.com", "type": "Secondary"}]}, "published": "2026-06-09T05:16:34.653", "references": [{"source": "security@vmware.com", "url": "https://spring.io/security/cve-2026-40983"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security@vmware.com", "type": "Secondary"}]}

{"bugzilla": {"description": "micrometer: micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests", "id": "2486697", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486697"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition.\nAffected versions:\nMicrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11.", "A flaw was found in Micrometer. A remote attacker can provide specially crafted gRPC (gRPC Remote Procedure Call) requests, which may lead to a denial-of-service (DoS) condition. This vulnerability allows an attacker to disrupt the availability of the affected system."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, restrict network access to services exposing Micrometer's gRPC endpoints to trusted clients only. Implement firewall rules to limit inbound connections to the specific ports used by gRPC. If gRPC functionality is not essential for the deployment, consider disabling it entirely to eliminate the attack vector. Any changes to network configurations or service settings may require a service restart to take effect, potentially impacting availability during the transition."}, "name": "CVE-2026-40983", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_clients:2023", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat AMQ Clients"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Not affected", "package_name": "micrometer-core", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:apache_camel_hawtio:4", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat build of Apache Camel - HawtIO 4"}, {"cpe": "cpe:/a:redhat:apicurio_registry:3", "fix_state": "Fix deferred", "package_name": "micrometer-core", "product_name": "Red Hat build of Apicurio Registry 3"}, {"cpe": "cpe:/a:redhat:debezium:3", "fix_state": "Not affected", "package_name": "micrometer-core", "product_name": "Red Hat build of Debezium 3"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "rhbk/keycloak-rhel9", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "rhbk/keycloak-rhel9-operator", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "rhbk-openshift-rhel9/rhbk-openshift-rhel9", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "rhbk-rhel9-operator/rhbk-rhel9-operator", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:quarkus:3", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Fix deferred", "package_name": "micrometer-core", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Under investigation", "package_name": "rhoai/odh-trustyai-service-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Under investigation", "package_name": "devspaces/openvsx-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Under investigation", "package_name": "devspaces/pluginregistry-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Under investigation", "package_name": "devspaces/server-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Under investigation", "package_name": "candlepin", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Under investigation", "package_name": "satellite:el8/candlepin", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:amq_streams:2", "fix_state": "Not affected", "package_name": "micrometer-core", "product_name": "streams for Apache Kafka 2"}, {"cpe": "cpe:/a:redhat:amq_streams:3", "fix_state": "Affected", "package_name": "micrometer-core", "product_name": "streams for Apache Kafka 3"}], "public_date": "2026-06-09T03:46:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40983\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40983\nhttps://spring.io/security/cve-2026-40983"], "statement": "This is an Important denial-of-service vulnerability in Micrometer, as a remote unauthenticated attacker can disrupt the availability of affected systems by sending specially crafted gRPC requests. The broad accessibility of gRPC endpoints in typical deployments contributes to the elevated risk, allowing for significant service interruption.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.16.0,1.16.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.15.0,1.15.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Micrometer", "source": "cna", "vendor": "Spring"}, "product": "micrometer", "vendor": "spring"}], "created": "2026-06-09T05:30:36.260733+00:00", "updated": "2026-06-26T01:30:17.135299+00:00", "vendors": ["spring", "spring$PRODUCT$micrometer"]}