{"id":"CVE-2026-100104","summary":"Server-Side Request Forgery (SSRF) in GitLab","details":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.3 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to perform server-side request forgery and reach internal network resources due to a time-of-check to time-of-use race condition in URL validation during repository import operations.","aliases":["BIT-gitlab-2026-100104"],"modified":"2026-10-30T10:47:16.750891926Z","published":"2026-10-13T01:05:36.165Z","database_specific":{"cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100104.json","cna_assigner":"GitLab"},"references":[{"type":"WEB","url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/"},{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/594194"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100104.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100104"},{"type":"PACKAGE","url":"https://gitlab.com/gitlab-org/gitlab"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"6369db0196ec7b6e288b16382c95243424a59b62"},{"fixed":"9a42f777a0147768457ebe684e13e69d54eee652"},{"introduced":"8f83039bebbbb61d3b7b8b7e2342d1deec1e14c6"},{"fixed":"ce7cbf1bcc4e49e98f209097d5081030e30410c5"},{"introduced":"fa703f93afaf1133cd263f6aa0e91d284d7f1ebf"},{"fixed":"9c053f678a4924425869b1b9e4bca3a44e45edf7"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"10.3.0"},{"fixed":"19.2.8"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*"},{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"10.3.0"},{"fixed":"19.2.8"}]},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","range":[{"introduced":"19.3.0"},{"fixed":"19.3.5"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"19.3.0"},{"fixed":"19.3.5"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","range":[{"introduced":"19.4.0"},{"fixed":"19.4.2"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","range":[{"introduced":"19.4.0"},{"fixed":"19.4.2"}],"source":"CPE_RANGE"}]}}],"versions":["v19.4.0-ee","v19.3.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100104.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N"}]}