CVE-2025-1540

Incorrect Authorization in GitLab

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."

Remediation

Solution:

  • Upgrade to version 17.8.2, 17.7.4 or 17.6.5.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.02%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/512765 issue tracking permissions required
https://about.gitlab.com/releases/2025/02/12/patch-release-gitlab-17-8-2-released/#saml-authentication-misconfigures-external-user-attribute

Frequently Asked Questions

What is the severity of CVE-2025-1540?
CVE-2025-1540 has been scored as a low severity vulnerability.
How to fix CVE-2025-1540?
To fix CVE-2025-1540: Upgrade to version 17.8.2, 17.7.4 or 17.6.5.
Is CVE-2025-1540 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-1540 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-1540?
CVE-2025-1540 affects GitLab GitLab.
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