CVE-2023-2190: Authorization Bypass Through User-Controlled Key in GitLab

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-13 · updated 2026-06-17
Weakness: CWE-639

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.10 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. It may be possible for users to view new commits to private projects in a fork created while the project was public.

Affected products

GitLab: from 13.10.0 before 15.11.10; from 16.0.0 before 16.0.6; from 16.1.0 before 16.1.1 — fixed in 15.11.10, 16.0.6, 16.1.1

How to fix

Upgrade to a fixed version: GitLab 15.11.10, 16.0.6, 16.1.1. Check the vendor advisory for mitigations.

References

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