Medium severity4.3NVD Advisory· Published Oct 5, 2021· Updated Jun 17, 2026
CVE-2021-39889
CVE-2021-39889
Description
In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.
Affected products
5cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*+ 2 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=14.1.0,<14.1.7
- (no CPE)range: >=14.1
- (no CPE)range: >=14.1, <14.1.7
- Range: >=14.1
Patches
Vulnerability mechanics
References
3- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.jsonnvdVendor Advisory
- hackerone.com/reports/1294017nvdPermissions RequiredThird Party Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/338062nvdBroken Link
News mentions
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