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.
CVE-2025-4979
MEDIUMNVD 4.9
4.9
- CVSS v3
- 4.9
- EG Score
- —
- EPSS
- —
- KEV
- Not listed
Published
May 22, 2025
Last Modified
August 8, 2025
References (1)
Vendor Advisories for CVE-2025-4979(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Frequently asked(4)
What is CVE-2025-4979?
CVE-2025-4979 is a medium vulnerability published on May 22, 2025. 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…
When was CVE-2025-4979 disclosed?
CVE-2025-4979 was first published in the National Vulnerability Database on May 22, 2025, with the most recent update on August 8, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2025-4979?
CVE-2025-4979 has a CVSS v3 base score of 4.9 (NVD).
How do I remediate CVE-2025-4979?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-4979, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-4979
Is Your Infrastructure Affected by CVE-2025-4979?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.