{"id":"CVE-2021-22172","aliases":["BIT-gitlab-2021-22172","EUVD-2021-9318","GHSA-7q4r-xvh7-hj22","UBUNTU-CVE-2021-22172"],"status":"published","title":"Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data...","description":"Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01031,"percentile":0.64024,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-863"],"published":"2021-03-26T19:06:48Z","modified":"2026-10-20T10:54:30Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["13.6.6","13.7.6","13.8.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"12.8.0"},{"fixed":"13.6.6"},{"introduced":"13.7.0"},{"fixed":"13.7.6"},{"introduced":"13.8.0"},{"fixed":"13.8.2"}]}]},{"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/212911","tags":["x_refsource_MISC","x_transferred","Exploit","Issue 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