{"id":"CVE-2021-4191","details":"An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.","aliases":["BIT-gitlab-2021-4191"],"modified":"2026-04-10T04:38:48.598206Z","published":"2022-03-28T19:15:08.093Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/343898"},{"type":"REPORT","url":"https://hackerone.com/reports/1089609"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"ef3e35341f6a930af2d57979999b71457b9f72a4"},{"fixed":"2ef3e89df350d5f8ffc802c04c5f19864249d125"},{"introduced":"ef3e35341f6a930af2d57979999b71457b9f72a4"},{"fixed":"2ef3e89df350d5f8ffc802c04c5f19864249d125"},{"introduced":"621e59848886e0dceec7a248ce6266450a7b5e21"},{"fixed":"202c3007ccf93d8b338e10b49ef2c82e9d6f6bea"},{"introduced":"621e59848886e0dceec7a248ce6266450a7b5e21"},{"fixed":"202c3007ccf93d8b338e10b49ef2c82e9d6f6bea"},{"introduced":"1d7d0b0a1db4c69533330ab29c6c0d3bdb17adba"},{"fixed":"20a7fdf52c92b0b26e328d9f55803af6e4baebe4"},{"introduced":"1d7d0b0a1db4c69533330ab29c6c0d3bdb17adba"},{"fixed":"20a7fdf52c92b0b26e328d9f55803af6e4baebe4"}],"database_specific":{"versions":[{"introduced":"13.0.0"},{"fixed":"14.6.5"},{"introduced":"13.0.0"},{"fixed":"14.6.5"},{"introduced":"14.7.0"},{"fixed":"14.7.4"},{"introduced":"14.7.0"},{"fixed":"14.7.4"},{"introduced":"14.8"},{"fixed":"14.8.2"},{"introduced":"14.8"},{"fixed":"14.8.2"}]}}],"versions":["v14.7.0-ee","v14.7.1-ee","v14.7.2-ee","v14.7.3-ee","v14.8.0-ee","v14.8.1-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4191.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}