🔐 CVE Alert

CVE-2026-13113

MEDIUM 6.5

Time-of-check Time-of-use (TOCTOU) Race Condition in GitLab

CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th

GitLab has remediated an issue in GitLab EE affecting all versions from 17.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to merge code into a protected branch without the required approvals due to a race condition in approval rule processing.

CWE CWE-367
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Jul 29, 2026
Last Updated Jul 29, 2026
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CVSS v3 Breakdown

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

Affected Versions

GitLab / GitLab
17.0 < 19.0.5 19.1 < 19.1.3 19.2 < 19.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/597838 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/

Credits

This vulnerability has been discovered internally by GitLab team member Niklas Janz