What’s Vulnerable › Vulnerabilities

CVE-2023-4522: Improper Validation of Specified Type of Input in GitLab

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-30 · updated 2026-06-17
• Weakness: CWE-1287

Description

An issue has been discovered in GitLab affecting all versions before 16.2.0. Committing directories containing LF character results in 500 errors when viewing the commit.

Affected products

• GitLab: before 16.2.0 — fixed in 16.2.0

How to fix

Upgrade to a fixed version: GitLab 16.2.0. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/gitlab/-/issues/406817
• https://hackerone.com/reports/1937213
• https://gitlab.com/gitlab-org/gitlab/-/issues/406817
• https://hackerone.com/reports/1937213
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/

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