CVE-2021-22236

Severity: high (CVSS 8.8 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: 2021-08-25 · updated 2026-06-17
Weakness: CWE-863

Description

Due to improper handling of OAuth client IDs, new subscriptions generated OAuth tokens on an incorrect OAuth client application. This vulnerability is present in GitLab CE/EE since version 14.1.

Affected products

GitLab: from 14.1.0 before 14.1.2 — fixed in 14.1.2

How to fix

Upgrade to a fixed version: GitLab 14.1.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22236.json
https://gitlab.com/gitlab-org/gitlab/-/issues/334925
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22236.json
https://gitlab.com/gitlab-org/gitlab/-/issues/334925

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