CVE-2023-5612: Missing Authorization in GitLab

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-26 · updated 2026-06-17
Weakness: CWE-862

Description

An issue has been discovered in GitLab affecting all versions before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. It was possible to read the user email address via tags feed although the visibility in the user profile has been disabled.

Affected products

GitLab: before 16.6.6; from 16.7.0 before 16.7.4; 16.8.0 — fixed in 16.6.6, 16.7.4

How to fix

Upgrade to a fixed version: GitLab 16.6.6, 16.7.4. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released/
https://gitlab.com/gitlab-org/gitlab/-/issues/428441
https://hackerone.com/reports/2208790
https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released/
https://gitlab.com/gitlab-org/gitlab/-/issues/428441
https://hackerone.com/reports/2208790

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