CVE-2026-5296

Missing Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that when foundational flows were enabled at the group level, could have allowed an authenticated user with developer-role permissions to bypass flow restrictions under certain conditions.

Affected

GitLab

CVSS v3.1 GITLAB

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS

0.34% chance of exploitation in the next 30 days, 25th percentile

Published

2026-05-27

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3626303

Security advisories

• https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released

References

• CVE Record
• NVD entry