{"id":"GHSA-9v77-j4xv-34gq","summary":"Jenkins EC2 Fleet Plugin has a missing permission check","details":"Jenkins EC2 Fleet Plugin 4.2.3.539.v8fedff2a_81c3 and earlier does not perform permission checks in several HTTP endpoints used to validate cloud configurations.\n\nThis allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing AWS credentials stored in Jenkins.\n\nAdditionally, these HTTP endpoints do not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability.\n\nEC2 Fleet Plugin 4.2.3.540.va_6eedb_7b_c112 requires Overall/Administer permission and POST requests to perform these form validation actions.","aliases":["CVE-2026-57294"],"modified":"2026-09-25T19:15:04.531821831Z","published":"2026-06-24T15:31:47Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-09-25T19:03:01Z","nvd_published_at":"2026-06-24T14:17:35Z","cwe_ids":["CWE-862"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57294"},{"type":"WEB","url":"https://github.com/jenkinsci/ec2-fleet-plugin/pull/531"},{"type":"WEB","url":"https://github.com/jenkinsci/ec2-fleet-plugin/commit/a6eedb7bc112de92bbba179c03840d845b845c82"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/ec2-fleet-plugin"},{"type":"WEB","url":"https://github.com/jenkinsci/ec2-fleet-plugin/releases/tag/4.2.3.540.va_6eedb_7b_c112"},{"type":"WEB","url":"https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3774"}],"affected":[{"package":{"name":"com.amazon.jenkins.fleet:ec2-fleet","ecosystem":"Maven","purl":"pkg:maven/com.amazon.jenkins.fleet/ec2-fleet"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.3.540.va"}]}],"versions":["1.0","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9","1.10.0","1.10.1","1.10.2","1.11.0","1.11.1","1.11.2","1.12.0","1.13.0","1.14.0","1.15.0","1.16.0","1.16.1","1.16.2","1.17.0","1.17.1","1.17.2","1.17.3","1.2.0","1.2.1","1.2.2","1.3.0","1.3.1","1.4.0","1.4.1","1.5.0","1.6.0","1.7.0","1.7.1","1.7.2","1.8.0","1.8.1","1.9.0","1.9.1","1.9.2","2.0.0","2.0.1","2.0.2","2.1.0","2.1.1","2.1.2","2.1.3","2.2.0","2.2.1","2.2.2","2.3.0","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.4.0","2.4.1","2.5.0","2.5.1","2.5.2","2.5.3","2.6.0","2.7.0","2.7.1","3.0.0","3.0.1","3.0.2","3.1.0","3.2.0","4.0.0.502.v329a_307d2a_5d","4.1.0.506.v619d63b_ec9d8","4.1.0.509.vfeb_109946260","4.1.1.510.v0b_8363265374","4.2.0.513.v46b_5d5cd156c","4.2.1.515.v100267825939","4.2.2.527.v38a_8758950a_0","4.2.3.539.v8fedff2a_81c3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-9v77-j4xv-34gq/GHSA-9v77-j4xv-34gq.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}