UBUNTU-CVE-2023-5226

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Source
https://ubuntu.com/security/CVE-2023-5226
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-5226.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-5226
Upstream
Published
2023-12-01T07:15:00Z
Modified
2025-09-08T16:55:57Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • 4.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / gitlab

Package

Name
gitlab
Purl
pkg:deb/ubuntu/gitlab@8.5.8+dfsg-5?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

8.*

8.4.3+dfsg-9
8.4.3+dfsg-12
8.5.8+dfsg-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.5.8+dfsg-5",
            "binary_name": "gitlab"
        }
    ]
}