CVE-2025-1540

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."

CVSS v3.1 Score

3.1

LOW

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

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
gitlab	gitlab	17.5.0 — 17.6.5
gitlab	gitlab	17.5.0 — 17.6.5
gitlab	gitlab	17.7.0 — 17.7.4
gitlab	gitlab	17.7.0 — 17.7.4
gitlab	gitlab	17.8.0 — 17.8.2
gitlab	gitlab	17.8.0 — 17.8.2

References

Exploits

https://gitlab.com/gitlab-org/gitlab/-/issues/512765

Other References

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 CVE-2025-1540? +

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." It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2025-1540? +

CVE-2025-1540 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-1540? +

CVE-2025-1540 affects products from gitlab, specifically: gitlab. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1540? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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