{"id":"CVE-2025-24399","aliases":["GHSA-q9cm-88jx-3vfw"],"url":"https://o3.security/vulnerability/CVE-2025-24399","summary":"Improper handling of case sensitivity in Jenkins OpenId Connect Authentication Plugin ","details":"Jenkins OpenId Connect Authentication Plugin 4.452.v2849b_d3945fa_ and earlier, except 4.438.440.v3f5f201de5dc, treats usernames as case-insensitive, allowing attackers on Jenkins instances configured with a case-sensitive OpenID Connect provider to log in as any user by providing a username that differs only in letter case, potentially gaining administrator access to Jenkins.","published":"2025-01-22T17:15:13.853Z","modified":"2026-07-10T03:06:45.185930Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:oic-auth","fixedVersion":"4.453.v4d7765c854f4"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2025-01-22/#SECURITY-3461"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-10T03:06:45.185930Z"}}