Medium severity5.3NVD Advisory· Published Nov 5, 2021· Updated Jun 17, 2026
CVE-2021-39909
CVE-2021-39909
Description
Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 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 an attacker to bypass CODEOWNERS Merge Request approval requirement under rare circumstances
Affected products
6cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*+ 3 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=11.3.0,<14.2.6
- cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*
- (no CPE)range: 11.3 <= v < 14.2.6, 14.3 <= v < 14.3.4, 14.4 <= v < 14.4.1
- (no CPE)range: >=11.3, <14.2.6
- Range: 11.3 <= v < 14.2.6, 14.3 <= v < 14.3.4, 14.4 <= v < 14.4.1
Patches
Vulnerability mechanics
References
3- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.jsonnvdVendor Advisory
- hackerone.com/reports/1237750nvdPermissions RequiredThird Party Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/335191nvdBroken Link
News mentions
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