CVE-2021-22252

MEDIUM 6.5CVE-2021-22252 · Published 23/08/2021 · updated 17/06/2026

In short

CVE-2021-22252 is a MEDIUM (CVSS 6.5) vulnerability affecting gitlab (gitlab).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 66.4% of all vulnerabilities.
Fix: update to 13.12.9, 14.0.7, 14.1.2 or later.

Package	Affected versions	Patched versions
gitlab gitlab	`≥ 13.7.0, < 13.12.9≥ 14.0.0, < 14.0.7≥ 14.1.0, < 14.1.2`	`13.12.914.0.714.1.2`

Description

A confusion between tag and branch names in GitLab CE/EE affecting all versions since 13.7 allowed a Developer to access protected CI variables which should only be accessible to Maintainers

References

gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json · Vendor Advisory
gitlab.com/gitlab-org/gitlab/-/issues/330364 · Broken Link
hackerone.com/reports/1186135 · Third Party Advisory

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Package

Affected versions

Patched versions

gitlab

≥ 13.7.0, < 13.12.9≥ 14.0.0, < 14.0.7≥ 14.1.0, < 14.1.2

13.12.914.0.714.1.2

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