{"id":"CVE-2021-39891","details":"In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.","aliases":["BIT-gitlab-2021-39891"],"modified":"2026-03-11T00:50:08.646693Z","published":"2021-10-05T14:15:08.037Z","references":[{"type":"WEB"},{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/335137"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"b50421f8650a390aa637da68c7e0138dd764fdf3"},{"fixed":"9cd657e5179e339171d27e4573b8f5711db1d824"},{"introduced":"b50421f8650a390aa637da68c7e0138dd764fdf3"},{"fixed":"9cd657e5179e339171d27e4573b8f5711db1d824"},{"introduced":"38bbb40bb77dd3e0f0281c4363e2ef298e650c42"},{"fixed":"72c1da0383a35604f4b2d73a7ed8e6a2c4ee64b1"},{"introduced":"38bbb40bb77dd3e0f0281c4363e2ef298e650c42"},{"fixed":"72c1da0383a35604f4b2d73a7ed8e6a2c4ee64b1"},{"introduced":"dec73e99fddac59c0bf816dc4bffd2a30abae6de"},{"fixed":"0816e4664224c86a9c3868127ad890d7cf0526c6"},{"introduced":"dec73e99fddac59c0bf816dc4bffd2a30abae6de"},{"fixed":"0816e4664224c86a9c3868127ad890d7cf0526c6"}],"database_specific":{"versions":[{"introduced":"8.0.0"},{"fixed":"14.1.7"},{"introduced":"8.0.0"},{"fixed":"14.1.7"},{"introduced":"14.2.0"},{"fixed":"14.2.5"},{"introduced":"14.2.0"},{"fixed":"14.2.5"},{"introduced":"14.3.0"},{"fixed":"14.3.1"},{"introduced":"14.3.0"},{"fixed":"14.3.1"}]}}],"versions":["v14.2.0-ee","v14.2.1-ee","v14.2.2-ee","v14.2.3-ee","v14.2.4-ee","v14.3.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39891.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}]}