{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28313", "assignerOrgId": "49f11609-934d-4621-84e6-e02e032104d6", "state": "PUBLISHED", "assignerShortName": "SolarWinds", "dateReserved": "2026-02-26T14:28:17.158Z", "datePublished": "2026-07-21T15:38:22.855Z", "dateUpdated": "2026-07-21T15:38:22.855Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Windows", "Linux"], "product": "Serv-U", "vendor": "SolarWinds", "versions": [{"status": "affected", "version": "15.5.4 HF1 and below"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Intigriti Bug Bounty Program"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to SMTP hijacking leading to arbitrary account takeover. The impact is lower in Windows deployments.<br>"}], "value": "SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to SMTP hijacking leading to arbitrary account takeover. The impact is lower in Windows deployments."}], "impacts": [{"capecId": "CAPEC-122", "descriptions": [{"lang": "en", "value": "CAPEC-122 Privilege Abuse"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "Serv-U Linux"}]}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "Serv-U Windows"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "49f11609-934d-4621-84e6-e02e032104d6", "shortName": "SolarWinds", "dateUpdated": "2026-07-21T15:38:22.855Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28313"}, {"tags": ["release-notes"], "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "SolarWinds recommends customers upgrade to Serv-U version 2026.3 as soon as is practical.\n\n<br>"}], "value": "SolarWinds recommends customers upgrade to Serv-U version 2026.3 as soon as is practical."}], "source": {"discovery": "UNKNOWN"}, "title": "SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

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