{"id":"CVE-2019-1003019","aliases":["GHSA-mcqx-wc2j-qx9v"],"url":"https://o3.security/vulnerability/CVE-2019-1003019","summary":"GitHub Authentication Plugin session fixation vulnerability","details":"An session fixation vulnerability exists in Jenkins GitHub Authentication Plugin 0.29 and earlier in GithubSecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.","published":"2019-02-06T16:29:00.920Z","modified":"2026-07-08T16:07:29.070260Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:github-oauth","fixedVersion":"0.31"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://jenkins.io/security/advisory/2019-01-28/#SECURITY-797"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T16:07:29.070260Z"}}