CVE-2025-4979

Summary

An issue has been discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. An attacker may be able to reveal masked or hidden CI variables (that they did not author) in the WebUI, by simply creating their own variable and observing the HTTP response.

Affected Software

VendorProductVersion RangeStatus
GitLabGitLab0 < 17.10.7affected
GitLabGitLab17.11 < 17.11.3affected
GitLabGitLab18.0 < 18.0.1affected

Weaknesses

  • CWE-1220: CWE-1220: Insufficient Granularity of Access Control

ADP Enrichment

CISA ADP Vulnrichment

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

References