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CVE-2026-6976 GitLab CVE debrief

CVE-2026-6976 is a low-severity vulnerability in GitLab CE/EE that could allow an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names. The vulnerability affects GitLab versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2.

Vendor
GitLab
Product
Unknown
CVSS
LOW 3.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-11
Advisory published
2026-06-11
Advisory updated
2026-06-11

Who should care

Users of GitLab CE/EE versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 should be aware of this vulnerability and take steps to remediate it.

Technical summary

The vulnerability is caused by improper input handling of file names in GitLab CE/EE. An authenticated user with developer-role permissions could potentially hide changes from merge request diff views.

Defensive priority

Low

Recommended defensive actions

  • Upgrade to GitLab version 18.10.8, 18.11.5, or 19.0.2 or later.
  • Review and apply patches as described in the release notes: resourceLinkAnnotations with id 'ref-4'.

Evidence notes

The CVE record and NVD detail can be found at: resourceLinkAnnotations with ids 'cve-org' and 'nvd'.

Official resources

CVE-2026-6976 was published on 2026-06-11T12:16:32.467Z and modified on 2026-06-11T17:34:47.923Z.