Description

An issue has been discovered in GitLab CE/EE for Self-Managed and Dedicated instances affecting all versions from 17.5 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2. It was possible for a user added as an External to read and clone internal projects under certain circumstances."

Classification

CVE ID: CVE-2025-1540

CVSS Base Severity: LOW

CVSS Base Score: 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Products

Vendor: GitLab

Product: GitLab

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.01% (probability of being exploited)

EPSS Percentile: 0.82% (scored less or equal to compared to others)

EPSS Date: 2025-04-04 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-1540
https://gitlab.com/gitlab-org/gitlab/-/issues/512765
https://about.gitlab.com/releases/2025/02/12/patch-release-gitlab-17-8-2-released/#saml-authentication-misconfigures-external-user-attribute

Timeline