CVE-2023-4008 - CVE House
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Status published Medium CVE-2023-4008

Incorrect Ownership Assignment in GitLab

Vulnerability Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to takeover GitLab Pages with unique domain URLs if the random string added was known.

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:

  • This vulnerability was discovered internally by a GitLab team member.

References

More from GitLab

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CVE-2025-9958
Insertion of Sensitive Information Into Sent Data in GitLab
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CVE-2025-9957
Incorrect Authorization in GitLab
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CVE-2025-9825
Missing Authorization in GitLab
Medium 5
CVE-2025-9642
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
High 8.7
CVE-2025-9484
Missing Authorization in GitLab
Medium 4.3

Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
15.9, 16.1, 16.2

Timeline

Official Publish: August 3rd, 2023
Last Modified: June 2nd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-708

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.