CVE-2026-2726
Incorrect Authorization in GitLab
4.3
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
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.
How to fix CVE-2026-2726
To remediate CVE-2026-2726, upgrade the affected package to a fixed version below.
- —upgrade to 18.8.7 or later
Is CVE-2026-2726 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 11.10.0, < 18.8.7, >= 18.9.0, < 18.9.3, >= 18.10.0, < 18.10.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |