CVE-2021-22209

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-06 · updated 2026-06-17
Weakness: CWE-863

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.8. GitLab was not properly validating authorisation tokens which resulted in GraphQL mutation being executed.

Affected products

GitLab: from 13.8.0 before 13.9.7; from 13.10.0 before 13.10.4; from 13.11.0 before 13.11.2 — fixed in 13.10.4, 13.11.2, 13.9.7

How to fix

Upgrade to a fixed version: GitLab 13.10.4, 13.11.2, 13.9.7. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22209.json
https://gitlab.com/gitlab-org/gitlab/-/issues/327155
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22209.json
https://gitlab.com/gitlab-org/gitlab/-/issues/327155

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