{"id":"CVE-2020-13270","details":"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","aliases":["BIT-gitlab-2020-13270"],"modified":"2026-08-27T19:00:13.651807Z","published":"2020-06-10T15:15:13.370Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/24648"},{"type":"REPORT","url":"https://hackerone.com/reports/419977"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"1bbe39452664021af90851aef8527ce5e850343e"},{"fixed":"c970180810155248e6522a3124fab3038e2d79a3"},{"fixed":"a83f3b1c8cee724f394fbf0c6872928e4f8e882b"},{"introduced":"58d798bed6228196b580ae8def5d5080e5a56c73"},{"fixed":"80b99e43cfcf09b3aa07546c2c3400628ad825a3"},{"introduced":"ef3e35341f6a930af2d57979999b71457b9f72a4"},{"fixed":"7154da26005ece7f66f4d68e22e2b933f15a5e6d"}],"database_specific":{"extracted_events":[{"introduced":"11.3.0"},{"fixed":"11.9.8"},{"fixed":"12.9.8"},{"introduced":"12.10.0"},{"fixed":"12.10.7"},{"introduced":"13.0.0"},{"fixed":"13.0.1"}],"source":"CPE_RANGE","cpe":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"]}}],"versions":["v13.0.0-ee","v12.10.6-ee","v12.10.4-ee","v12.10.5-ee","v12.10.3-ee","v12.10.1-ee","v12.10.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13270.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}