{"id":"CVE-2026-43514","aliases":["BIT-tomcat-2026-43514","GHSA-9m89-8frq-c98c"],"url":"https://o3.security/vulnerability/CVE-2026-43514","summary":"Apache Tomcat: AJP secret compared in non-constant time","details":"Versions Affected:\nApache Tomcat 11.0.0-M1 to 11.0.21\nApache Tomcat 10.1.0-M1 to 10.1.54\nApache Tomcat 9.0.0.M1 to 9.0.117\nOlder, unsupported versions may also be affected\n\nDescription:\nThe AJP secret was compared in non-constant time allowing an attacker on\nthe local network to mount a timing attack to determine the AJP secret.\n\nMitigation:\nUsers of the affected versions should apply one of the following\nmitigations:\n- Upgrade to Apache Tomcat 11.0.22 or later\n- Upgrade to Apache Tomcat 10.1.55 or later\n- Upgrade to Apache Tomcat 9.0.118 or later","published":"2026-05-12T15:32:09.858Z","modified":"2026-09-11T08:25:30.451322281Z","cvss":{"score":3.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":{"score":0.00352,"percentile":0.28637,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"9.0.118"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"10.1.55"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"11.0.22"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"9.0.118"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"10.1.55"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"11.0.22"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"9.0.118"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"10.1.55"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"11.0.22"}],"fix":{"url":"https://github.com/apache/tomcat/commit/933dcdbf2515972280002929e7e597dead2e9ffa","label":"apache/tomcat@933dcdb"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/05/12/10"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43514.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43514"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/933dcdbf2515972280002929e7e597dead2e9ffa"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/a102a2a157868ca51d83eaf5a119ccd9976a113e"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/d35d9d23263c8e4af561f615c960c91697ff200e"},{"type":"PACKAGE","url":"https://github.com/apache/tomcat"},{"type":"WEB","url":"https://tomcat.apache.org/security-10.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-11.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-9.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T08:25:30.451322281Z"}}