{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59083", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-07-02T10:39:12.023Z", "datePublished": "2026-07-14T08:13:04.861Z", "dateUpdated": "2026-07-14T08:13:04.861Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache Tomcat", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "11.0.23", "status": "affected", "version": "11.0.0-M1", "versionType": "semver"}, {"lessThanOrEqual": "10.1.56", "status": "affected", "version": "10.1.0-M1", "versionType": "semver"}, {"lessThanOrEqual": "9.0.119", "status": "affected", "version": "9.0.0.M1", "versionType": "semver"}, {"lessThanOrEqual": "8.5.100", "status": "affected", "version": "8.5.0", "versionType": "semver"}, {"lessThan": "8.0.0", "status": "unaffected", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations.</p><p>This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100.&nbsp;Other versions that have reached end of support may also be affected.</p><p>Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.</p>"}], "value": "Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100.\u00a0Other versions that have reached end of support may also be affected.\n\nUsers are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue."}], "metrics": [{"other": {"content": {"text": "low"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-177", "description": "CWE-177 Improper Handling of URL Encoding (Hex Encoding)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-07-14T08:13:04.861Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/3g63zos2gkjo5vgnrk8kxmosv47w6wbq"}], "source": {"discovery": "INTERNAL"}, "title": "Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.0.0-M1,11.0.23]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.1.0-M1,10.1.56]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.0.0.M1,9.0.119]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.5.0,8.5.100]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,8.0.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Tomcat", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "apache_tomcat", "vendor": "apache"}], "created": "2026-07-14T09:30:09.293627+00:00", "updated": "2026-07-14T09:30:09.293667+00:00", "vendors": ["apache", "apache$PRODUCT$apache_tomcat"]}