CVE-2025-1540

Name: CVE-2025-1540
Creator: NVD / NIST
Published: 2025-03-06T09:15:26.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2025-1540 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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.". EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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."

Metrics

CVSS 3.1

4.2/10

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

EPSS Probability

0.22%

12.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 17.5.0, < 17.6.5
Gitlab	Gitlab	>= 17.7.0, < 17.7.4
Gitlab	Gitlab	>= 17.8.0, < 17.8.2

References

https://about.gitlab.com/releases/2025/02/12/patch-release-gitlab-17-8-2-released/#saml-authentication-misconfigures-external-user-attributeRelease Notes
https://gitlab.com/gitlab-org/gitlab/-/issues/512765Exploit, Issue Tracking

Timeline

Published: Mar 6, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-1540?

How severe is CVE-2025-1540?

CVE-2025-1540 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2025-1540?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-1540?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST