{"id":"CVE-2021-39889","details":"In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.","aliases":["BIT-gitlab-2021-39889"],"modified":"2026-04-09T08:13:40.629291Z","published":"2021-10-05T14:15:07.987Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/338062"},{"type":"REPORT","url":"https://hackerone.com/reports/1294017"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"e4567ef4362f4ef24a09112564b31dfe9044ea12"},{"fixed":"9cd657e5179e339171d27e4573b8f5711db1d824"},{"introduced":"38bbb40bb77dd3e0f0281c4363e2ef298e650c42"},{"fixed":"72c1da0383a35604f4b2d73a7ed8e6a2c4ee64b1"},{"introduced":"dec73e99fddac59c0bf816dc4bffd2a30abae6de"},{"fixed":"0816e4664224c86a9c3868127ad890d7cf0526c6"}],"database_specific":{"versions":[{"introduced":"14.1.0"},{"fixed":"14.1.7"},{"introduced":"14.2.0"},{"fixed":"14.2.5"},{"introduced":"14.3.0"},{"fixed":"14.3.1"}]}}],"versions":["v14.1.0-ee","v14.1.1-ee","v14.1.3-ee","v14.1.5-ee","v14.1.6-ee","v14.2.0-ee","v14.2.1-ee","v14.2.3-ee","v14.2.4-ee","v14.3.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-39889.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}