CVE-2021-39935 - CVE House
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Status published Medium CVE-2021-39935

An issue has been discovered in GitLab CE/EE affecting all...

Vulnerability Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API

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 @minhli for reporting this vulnerability through our HackerOne bug bounty program

References

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CVE-2025-9642
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Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
>=10.5, <14.3.6, >=14.4, <14.4.4, >=14.5, <14.5.2

Timeline

Official Publish: December 13th, 2021
Last Modified: February 3rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.