{"id":"CVE-2026-3857","summary":"Cross-Site Request Forgery (CSRF) in GitLab","details":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to execute arbitrary GraphQL mutations on behalf of authenticated users due to insufficient CSRF protection.","aliases":["BIT-gitlab-2026-3857"],"modified":"2026-10-30T10:30:41.348232783Z","published":"2026-03-25T16:33:53.854Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"17.10"},{"fixed":"18.8.7"},{"introduced":"18.9"},{"fixed":"18.9.3"},{"introduced":"18.10"},{"fixed":"18.10.1"}]}]},{"extracted_events":[{"range":[{"introduced":"17.10"},{"fixed":"18.8.7"},{"introduced":"18.9"},{"fixed":"18.9.3"},{"introduced":"18.10"},{"fixed":"18.10.1"}],"source":"DESCRIPTION"}]}],"cna_assigner":"GitLab","cwe_ids":["CWE-352"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3857.json"},"references":[{"type":"WEB","url":"https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/"},{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/592828"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3857.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3857"},{"type":"REPORT","url":"https://hackerone.com/reports/3584382"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"ef8041bebeac4b902db1666c582a3de1d495ae39"},{"fixed":"bbb3a4b03698954b5a8efb0de7bafc061c303ed6"},{"introduced":"20fe49b575fedd2b8cadc2c0640178879854aeb3"},{"fixed":"d0161a9f097f49a9d33a4d8fe1d5a827ee777d67"},{"introduced":"57c08314af5bc8f317b1967330f92ed029e2c628"},{"last_affected":"57c08314af5bc8f317b1967330f92ed029e2c628"}],"database_specific":{"extracted_events":[{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","range":[{"introduced":"17.10.0"},{"fixed":"18.8.7"}]},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"17.10.0"},{"fixed":"18.8.7"}],"source":"CPE_RANGE"},{"range":[{"introduced":"18.9.0"},{"fixed":"18.9.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*"},{"range":[{"introduced":"18.9.0"},{"fixed":"18.9.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:gitlab:gitlab:18.10.0:*:*:*:community:*:*:*","range":[{"introduced":"18.10.0"},{"last_affected":"18.10.0"}]},{"cpe":"cpe:2.3:a:gitlab:gitlab:18.10.0:*:*:*:enterprise:*:*:*","range":[{"introduced":"18.10.0"},{"last_affected":"18.10.0"}],"source":"CPE_STRING"}]}}],"versions":["18.10.0","v18.9.0-ee","v18.10.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3857.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}]}