# CVE-2025-4979: Insufficient Granularity of Access Control in GitLab

> CVE-2025-4979: Insufficient Granularity of Access Control in GitLab. CVSS 4.9 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-4979
Last updated: 2026-06-17T09:34:25Z

- Published: 2025-05-22 13:30 UTC · Updated: 2026-06-17 09:34 UTC · Assigner: GitLab
- CVSS: 4.9 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- EPSS: 0.44%, 38th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-1220

## Description

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 vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-4979)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-4979)
- [https://gitlab.com/gitlab-org/gitlab/-/issues/524455](https://gitlab.com/gitlab-org/gitlab/-/issues/524455)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-4979 · Markdown: https://rewindex.com/cve/CVE-2025-4979.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-4979 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:13:30.109Z