CVE-2023-4895: Missing Authorization in GitLab

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-02-22 · updated 2026-06-17
Weakness: CWE-862

Description

An issue has been discovered in GitLab EE affecting all versions starting from 12.0 to 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. This vulnerability allows for bypassing the 'group ip restriction' settings to access environment details of projects

Affected products

GitLab: from 12.0 through 16.76; from 16.8 before 16.8.3; 16.9.0 — fixed in 16.8.3

How to fix

Upgrade to a fixed version: GitLab 16.8.3. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/424766
https://hackerone.com/reports/2134787
https://gitlab.com/gitlab-org/gitlab/-/issues/424766
https://hackerone.com/reports/2134787

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