CVE-2023-2181 - CVE House
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Status published Medium CVE-2023-2181

An issue has been discovered in GitLab affecting all versions...

Vulnerability Description

An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Thanks [inspector-ambitious](https://hackerone.com/inspector-ambitious) for reporting this vulnerability through our HackerOne bug bounty program

References

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CVE-2025-9642
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CVE-2025-9484
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Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
<15.9.8, >=15.10, <15.10.7, >=15.11, <15.11.3

Timeline

Official Publish: May 12th, 2023
Last Modified: January 24th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.