CVE-2025-4979
highpriority · track · 30EPSS 0.004 · 38 %ileDEEUNLUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (25)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0176Kwetsbaarheden verholpen in GitLabNL2025-05-23csaf · ncsc_nlNL
GitLab heeft kwetsbaarheden verholpen in zowel de Community als Enterprise Editions van GitLab.
- WID-SEC-W-2025-1117GitLab: Mehrere SchwachstellenDeutsch2025-05-21csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service auszulösen oder Informationen auszuspähen.
- BIT-gitlab-2025-4979Insufficient Granularity of Access Control in GitLab2025-05-26vendor · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://about.gitlab.com/install/Patchcnnvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/524455cnnvd
- https://vigilance.fr/vulnerability/GitLab-CE-EE-multiple-vulnerabilities-dated-21-05-2025-47232cnnvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/524455enisa_euvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/524455Broken Linknvd
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