{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-24734", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-01-26T14:20:56.965Z", "datePublished": "2026-02-17T18:53:12.228Z", "dateUpdated": "2026-02-17T18:53:12.228Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache Tomcat Native", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "1.1.34", "status": "affected", "version": "1.1.23", "versionType": "semver"}, {"lessThanOrEqual": "1.2.39", "status": "affected", "version": "1.2.0", "versionType": "semver"}, {"lessThanOrEqual": "1.3.4", "status": "affected", "version": "1.3.0", "versionType": "semver"}, {"lessThanOrEqual": "2.0.11", "status": "affected", "version": "2.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "Apache Tomcat", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "11.0.17", "status": "affected", "version": "11.0.0-M1", "versionType": "semver"}, {"lessThanOrEqual": "10.1.51", "status": "affected", "version": "10.1.0-M7", "versionType": "semver"}, {"lessThanOrEqual": "9.0.114", "status": "affected", "version": "9.0.83", "versionType": "semver"}, {"lessThanOrEqual": "8.5.100", "status": "unaffected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Joshua Rogers (@MegaManSec)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat.</p><p>When using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed.</p><p>This issue affects Apache Tomcat Native:&nbsp; from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114.<br></p><p>The following versions were EOL at the time the CVE was created but are \nknown to be affected: <span style=\"background-color: rgb(255, 255, 255);\">from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39.&nbsp;Older EOL versions are not affected.</span></p><p>Apache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue.</p>Apache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue.<br>"}], "value": "Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat.\n\nWhen using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed.\n\nThis issue affects Apache Tomcat Native:\u00a0 from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114.\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39.\u00a0Older EOL versions are not affected.\n\nApache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue.\n\nApache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue."}], "metrics": [{"other": {"content": {"text": "moderate"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-02-17T18:53:12.228Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/292dlmx3fz1888v6v16221kpozq56gml"}], "source": {"discovery": "EXTERNAL"}, "title": "Apache Tomcat Native, Apache Tomcat: OCSP revocation bypass", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat.\n\nWhen using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed.\n\nThis issue affects Apache Tomcat Native:\u00a0 from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114.\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39.\u00a0Older EOL versions are not affected.\n\nApache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue.\n\nApache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue."}], "id": "CVE-2026-24734", "lastModified": "2026-02-17T19:21:56.953", "metrics": {}, "published": "2026-02-17T19:21:56.953", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/292dlmx3fz1888v6v16221kpozq56gml"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security@apache.org", "type": "Primary"}]}

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