All vulnerabilities

Servers and applications

CVE-2023-5226

An issue has been discovered in GitLab affecting all versions before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. Under certain circumstances, a malicious actor bypass prohibited branch checks using a specially crafted branch name to manipulate repository content in the UI.

Severity
High 7.5
Published
1 Dec 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
16.4.3, 16.5.3
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • Every version before 16.4.3
  • From 16.5.0 before 16.5.3
  • Version 16.6.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-5226
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-5226