CVE-2024-2434: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 23.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-04-25 · updated 2026-06-17
Weakness: CWE-22

Description

An issue has been discovered in GitLab affecting all versions of GitLab CE/EE 16.9 prior to 16.9.6, 16.10 prior to 16.10.4, and 16.11 prior to 16.11.1 where path traversal could lead to DoS and restricted file read.

Affected products

GitLab: from 16.9.0 before 16.9.6; from 16.10.0 before 16.10.4; 16.11.0 — fixed in 16.10.4, 16.9.6

How to fix

Upgrade to a fixed version: GitLab 16.10.4, 16.9.6. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/450303
https://hackerone.com/reports/2401952
https://gitlab.com/gitlab-org/gitlab/-/issues/450303
https://hackerone.com/reports/2401952

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