CVE-2026-1751

Missing Authorization in GitLab

A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions.

Affected

GitLab

CVSS v3.1 GITLAB

3.1 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS

0.23% chance of exploitation in the next 30 days, 13th percentile

Published

2026-02-02

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2980839

Security advisories

• https://gitlab.com/gitlab-org/gitlab/-/issues/519340

References

• CVE Record
• NVD entry