CVE-2025-4979 (GCVE-0-2025-4979)

Vulnerability from cvelistv5 – Published: 2025-05-22 13:30 – Updated: 2025-05-22 14:21
VLAI?
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.
Severity ?
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
References
https://gitlab.com/gitlab-org/gitlab/-/issues/524455 issue-trackingpermissions-required
Impacted products
Vendor Product Version
GitLab GitLab Affected: 0 , < 17.10.7 (semver)
Affected: 17.11 , < 17.11.3 (semver)
Affected: 18.0 , < 18.0.1 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
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Credits
This vulnerability was discovered internally by a GitLab team member.
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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