[ CVE-2026-100104 · Published 13 Oct 2026 ]
Vulnerability in GitLab
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
-
NCSC-NLNCSC-2026-0414
Vulnerabilities fixed in GitLab Translated from Dutch
-
CERT-FRCERTFR-2026-AVI-1294
Multiple vulnerabilities in GitLab Translated from French
Multiple vulnerabilities have been discovered in GitLab. Some of them allow an attacker to cause remote arbitrary code execution, a breach of data confidentiality and a breach of data integrity.
-
BSI CERT-BundWID-SEC-2026-3858
GitLab: Multiple vulnerabilities Translated from German
[ References ]References
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-releasedRelease NotesVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/work_items/594194Issue Tracking