{"id":"CVE-2021-39904","aliases":["BIT-gitlab-2021-39904","EUVD-2021-26260","GHSA-2mm8-x5g7-wf73","UBUNTU-CVE-2021-39904"],"status":"published","title":"An Improper Access Control vulnerability in the GraphQL API in GitLab CE/EE since version 13.1...","description":"An Improper Access Control vulnerability in the GraphQL API in all versions of GitLab CE/EE starting from 13.1 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows a Merge Request creator to resolve discussions and apply suggestions after a project owner has locked the Merge Request","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00842,"percentile":0.58363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2021-11-04T23:13:11Z","modified":"2026-10-20T10:53:53Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["14.2.6","14.3.4","14.4.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"13.1.0"},{"fixed":"14.2.6"},{"introduced":"14.3.0"},{"fixed":"14.3.4"},{"introduced":"14.4.0"},{"fixed":"14.4.1"}]}]},{"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/295298","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Vendor Advisory","advisory","report"]},{"url":"https://hackerone.com/reports/1063420","tags":["x_refsource_MISC","x_transferred","Permissions Required","Third Party Advisory","advisory","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39904.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39904","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2mm8-x5g7-wf73"},{"url":"https://ubuntu.com/security/CVE-2021-39904","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39904","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-39904","description":"An Improper Access Control vulnerability in the GraphQL API in all versions of GitLab CE/EE starting from 13.1 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows a Merge Request creator to resolve discussions and apply 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Request","status":"published","published":"2021-11-05T00:15:00Z","modified":"2025-10-24T04:50:33Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:28.526929Z"},{"id":"BIT-gitlab-2021-39904","description":"An Improper Access Control vulnerability in the GraphQL API in all versions of GitLab CE/EE starting from 13.1 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows a Merge Request creator to resolve discussions and apply suggestions after a project owner has locked the Merge Request","status":"published","published":"2024-03-06T11:18:01.331Z","modified":"2026-09-08T08:48:11.385710869Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}