Home/CVE/An issue has been discovered in GitLab affecting all versions before 16.4.3, all versions starting from 16.5 before 16.5
CVE

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

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.

MEDIUM · CVSS 4.8 EPSS 0.00108
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

3
gitlab< 16.4.3
gitlab>= 16.5.0 and < 16.5.3
gitlaball versions
▣

Scoring & Timeline

4.8
MEDIUM · CVSS v3.1 · cve@gitlab.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Dec 2023 · 07:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

1
gitlab-securitypatch-release-gitlab-16-6-1-released
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.com/gitlab-org/gitlab/-/issues/426400Broken LinkVendor Advisory
https://hackerone.com/reports/2173053Permissions RequiredThird Party Advisory
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