{"id":"CVE-2025-55668","aliases":["BIT-tomcat-2025-55668","GHSA-23hv-mwm6-g8jf"],"url":"https://o3.security/vulnerability/CVE-2025-55668","summary":"Apache Tomcat: session fixation via rewrite valve","details":"Session Fixation vulnerability in Apache Tomcat via rewrite valve.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.\nOlder, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.","published":"2025-08-13T13:21:35.743Z","modified":"2026-08-12T03:51:14.443927223Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"11.0.8"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"10.1.42"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"9.0.106"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"11.0.8"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"10.1.42"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"9.0.106"}],"fix":{"url":"https://github.com/apache/tomcat/commit/8621e4c6ba2c916a41eb34cb0f781171ead33fb6","label":"apache/tomcat@8621e4c"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/08/13/3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55668.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/v6bknr96rl7l1qxkl1c03v0qdvbbqs47"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55668"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/8621e4c6ba2c916a41eb34cb0f781171ead33fb6"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/90306d971bb8b8393336d893644124fb2ca11d21"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/9c3673ba04009377cb0c81ccb6cf5078aec1aa95"},{"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":"2026-08-12T03:51:14.443927223Z"}}