CVE-2026-6976

Summary

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.

Affected Software

VendorProductVersion RangeStatus
GitLabGitLab15.9 < 18.10.8affected
GitLabGitLab18.11 < 18.11.5affected
GitLabGitLab19.0 < 19.0.2affected

Weaknesses

  • CWE-639: CWE-639: Authorization Bypass Through User-Controlled Key

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References