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CVE-2025-6171

Good to know:

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Date: November 15, 2025

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.

Severity Score

Related Resources (5)

https://hackerone.com/reports/3183740
https://nvd.nist.gov/vuln/detail/CVE-2025-6171
https://gitlab.com/gitlab-org/gitlab/-/issues/549730
https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/
https://www.mend.io/vulnerability-database/CVE-2025-6171

Severity Score

Weakness Type (CWE)

Missing Authorization

CWE-862

Top Fix

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Upgrade Version

Upgrade to version https://gitlab.com/gitlab-org/gitlab.git - v18.3.6-ee;https://gitlab.com/gitlab-org/gitlab.git - v18.4.4-ee;https://gitlab.com/gitlab-org/gitlab.git - v18.5.2-ee

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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