CVE-2026-6976
Authorization Bypass Through User-Controlled Key in GitLab
3.7
LOW
CVSS 3.1
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.
How to fix CVE-2026-6976
To remediate CVE-2026-6976, upgrade the affected package to a fixed version below.
- Bitnami/gitlab—upgrade to 18.10.8 or later
Is CVE-2026-6976 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-6976.
Affected packages (1)
- >= 15.9.0, < 18.10.8, >= 18.11.0, < 18.11.5, >= 19.0.0, < 19.0.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.7 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N |