🔐 CVE Alert

CVE-2026-100104

LOW 3.5

Server-Side Request Forgery (SSRF) in GitLab

CVSS Score
3.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-918
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Oct 13, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

GitLab / GitLab
10.3 < 19.2.8 19.3 < 19.3.5 19.4 < 19.4.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/594194 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/

Credits

This vulnerability has been discovered internally by GitLab team member Félix Veillette-Potvin