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Status published
High
CVE-2020-13270
Missing permission check on fork relation creation in GitLab CE/EE...
Vulnerability Description
Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via 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 @ashish_r_padelkar for reporting this vulnerability through our HackerOne bug bounty program
References
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CVE-2025-9825
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CVE-2025-9642
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8.7
CVE-2025-9484
Missing Authorization in GitLab
Medium
4.3
Affected Vendor
GitLab
View all reports →Affected Software
GitLab
Vulnerable Versions:
>=11.3, <12.9.8, >=12.10, <12.10.7, >=13.0, <13.0.1
Timeline
Official Publish:
June 10th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.