CVE-2026-5296CWE-862broken-access-control

CVE-2026-5296

Medium · published May 27, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
25.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00335 · 25.7th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-05-27T23:16Z
Affected products (3)
ProductVersionsFixed in
gitlab/gitlab≥ 18.7.0, < 18.10.718.10.7
gitlab/gitlab≥ 18.11.0, < 18.11.418.11.4
gitlab/gitlaball versions—
References (3)
https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/595423 · [email protected]https://hackerone.com/reports/3626303 · [email protected]
EPSS history
Timeline
  • 27 MAY 17:55Z
    Missing Authorization in GitLab
    cvelistv5