CVE-2025-6171

MEDIUM

GitLab 13.2-18.3.5, 18.4-18.4.3, 18.5-18.5.1 - Authenticated Missing Authorization via Packages API

Title source: llm
STIX 2.1

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.2 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker with reporter access to view branch names and pipeline details by accessing the packages API endpoint even when repository access was disabled.

References (3)

Core 3
Core References
Broken Link issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/549730
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/3183740

Scores

CVSS v3 5.3
EPSS 0.0002
EPSS Percentile 5.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (1)
gitlab/gitlab 13.2.0 - 18.3.6 (2 CPE variants)
Published Nov 15, 2025
Tracked Since Feb 18, 2026