{"id":"CVE-2026-68525","aliases":["BIT-tomcat-2026-68525","GHSA-h3x4-894j-xpx5"],"url":"https://o3.security/vulnerability/CVE-2026-68525","summary":"Apache Tomcat: Redirect after FORM auth may bypass method specific constraints","details":"Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.\n\n\n\n\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.\n\n\n\n\n\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUsers are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.","published":"2026-08-25T21:57:18.557Z","modified":"2026-10-08T02:51:37.739899357Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":{"score":0.00631,"percentile":0.48424,"asOf":"2026-09-15"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"11.0.25"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"10.1.58"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"9.0.121"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":null},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":null},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"11.0.25"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"10.1.58"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"9.0.121"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":null},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":null},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"11.0.25"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"10.1.58"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"9.0.121"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":null},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":null}],"fix":{"url":"https://github.com/apache/tomcat/commit/10d048e16034ddf12055e0cede0da05b15c823b8","label":"apache/tomcat@10d048e"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/08/26/7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68525.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/x1y2lfsgzxwzc456f8954vbvgn03zhd7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68525"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/10d048e16034ddf12055e0cede0da05b15c823b8"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/32f0c38526b4e655ff0c17cd97afedefc624fe43"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/58123aa468a20e2a079b7e0c68a4009e2475c098"},{"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":"2026-10-08T02:51:37.739899357Z"}}