CVE-2025-1540

LOW

GitLab 17.5-17.6.4, 17.7-17.7.3, 17.8-17.8.1 - Incorrect Authorization for External Users

Title source: llm

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."

References (2)

Core 2

Core References

Release Notes

https://about.gitlab.com/releases/2025/02/12/patch-release-gitlab-17-8-2-released/#saml-authentication-misconfigures-external-user-attribute

Exploit, Issue Tracking issue-tracking permissions-required

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

Scores

CVSS v3 3.1

EPSS 0.0008

EPSS Percentile 23.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-863

Status published

Products (1)

gitlab/gitlab 17.5.0 - 17.6.5 (2 CPE variants)

Published Mar 06, 2025

Tracked Since Feb 18, 2026