CVE-2024-12431: 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: yes
Published: 2025-01-08 · updated 2026-06-17
Weakness: CWE-862

Description

An issue was discovered in GitLab CE/EE affecting all versions starting from 15.5 before 17.5.5, 17.6 before 17.6.3, and 17.7 before 17.7.1, in which unauthorized users could manipulate the status of issues in public projects.

Affected products

GitLab: from 15.5.0 before 17.5.5; from 17.6.0 before 17.6.3; from 17.7.0 before 17.7.1 — fixed in 17.5.5, 17.6.3, 17.7.1

How to fix

Upgrade to a fixed version: GitLab 17.5.5, 17.6.3, 17.7.1. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/releases/2025/01/08/patch-release-gitlab-17-7-1-released/#unauthorized-user-can-manipulate-status-of-issues-in-public-projects
https://gitlab.com/gitlab-org/gitlab/-/issues/508742
https://hackerone.com/reports/2877710

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