{"id":"CVE-2021-39891","aliases":["BIT-gitlab-2021-39891","EUVD-2021-26247","GHSA-xq89-553h-3j4m","UBUNTU-CVE-2021-39891"],"status":"published","title":"In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's...","description":"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.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01003,"percentile":0.6337,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-212","CWE-863"],"published":"2021-10-05T13:38:07Z","modified":"2026-10-30T10:30:21Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["14.1.7","14.2.5","14.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"14.1.7"},{"introduced":"14.2.0"},{"fixed":"14.2.5"},{"introduced":"14.3.0"},{"fixed":"14.3.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/335137","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39891","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xq89-553h-3j4m"},{"url":"https://ubuntu.com/security/CVE-2021-39891","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39891","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-39891","description":"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 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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.","status":"published","published":"2022-05-24T19:16:32Z","modified":"2023-01-27T05:03:34Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:16.196802Z"}],"nvd":[{"id":"CVE-2021-39891","description":"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.","status":"published","published":"2021-10-05T14:15:08.037Z","modified":"2026-06-17T04:04:22.35Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-212"],"updated_at":"2026-11-02T14:06:59.314106Z"}],"osv":[{"id":"CVE-2021-39891","description":"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 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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.","status":"published","published":"2024-03-06T11:18:20.195Z","modified":"2026-09-10T16:01:32.877658057Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}