CVE-2021-22176

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-24 · updated 2026-06-17
Weakness: CWE-863

Description

An issue has been discovered in GitLab affecting all versions starting with 3.0.1. Improper access control allows demoted project members to access details on authored merge requests

Affected products

GitLab: from 3.0.1 before 13.6.7; from 13.7.0 before 13.7.7; from 13.8.0 before 13.8.4 — fixed in 13.6.7, 13.7.7, 13.8.4

How to fix

Upgrade to a fixed version: GitLab 13.6.7, 13.7.7, 13.8.4. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22176.json
https://gitlab.com/gitlab-org/gitlab/-/issues/243491
https://hackerone.com/reports/962604
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22176.json
https://gitlab.com/gitlab-org/gitlab/-/issues/243491
https://hackerone.com/reports/962604

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