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
References (3)
Core 3
Core References
Broken Link, Vendor Advisory x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/24648
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/419977
Vendor Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json
Scores
CVSS v3
7.5
EPSS
0.0036
EPSS Percentile
58.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-862
Status
published
Products (2)
gitlab/gitlab
11.3.0 - 11.9.8
gitlab/gitlab
11.3.0 - 12.9.8
Published
Jun 10, 2020
Tracked Since
Feb 18, 2026