CVE-2026-2104
Authorization Bypass Through User-Controlled Key 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 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to access confidential issues assigned to other users via CSV export due to insufficient authorization checks.
How to fix CVE-2026-2104
To remediate CVE-2026-2104, upgrade the affected package to a fixed version below.
- —upgrade to 18.8.9 or later
Is CVE-2026-2104 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 18.2.0, < 18.8.9, >= 18.9.0, < 18.9.5, >= 18.10.0, < 18.10.3
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:L/I:N/A:N |