High severity7.5NVD Advisory· Published Jun 10, 2020· Updated Jun 17, 2026
CVE-2020-13270
CVE-2020-13270
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
Affected products
6cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*+ 3 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=11.3.0,<11.9.8
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=11.3.0,<12.9.8
- (no CPE)range: >=11.3,<=13.0.1
- (no CPE)range: >=11.3, <12.9.8
- Range: >=11.3,<=13.0.1
Patches
Vulnerability mechanics
References
3- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.jsonnvdVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/24648nvdBroken LinkVendor Advisory
- hackerone.com/reports/419977nvdPermissions RequiredThird Party Advisory
News mentions
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