CVE-2026-2726CWE-863

Incorrect Authorization in GitLab

Medium · published March 25, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
26.0
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during cross-repository operations.

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
0.00338 · 26.0th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-03-25T16:34Z
EPSS history
Timeline
  • 25 MAR 16:34Z
    Incorrect Authorization in GitLab
    cvelistv5