What is CVE-2025-1540?

CVE-2025-1540 is a low-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 3.1/10. Published 2025-03-06.

How severe is CVE-2025-1540?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2025-1540 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Gitlab

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."

Vulnerability class: Broken Access Control

EPSS: 0.002 (12.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Gitlab — versions 17.5, 17.7, 17.8

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@gitlab.com (issue-tracking, Exploit, permissions-required, Issue Tracking)
cve@gitlab.com (Release Notes)

Frequently asked questions

What is CVE-2025-1540?: CVE-2025-1540 is a low-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 3.1/10. Published 2025-03-06.
How severe is CVE-2025-1540?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-1540 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.