CVE-2022-3726

Severity: critical (CVSS 9.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-10 · updated 2026-06-17

Description

Lack of sand-boxing of OpenAPI documents in GitLab CE/EE affecting all versions from 12.6 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to trick a user to click on the Swagger OpenAPI viewer and issue HTTP requests that affect the victim's account.

Affected products

GitLab: from 12.6.0 before 15.3.5; from 15.4.0 before 15.4.4; from 15.5.0 before 15.5.2 — fixed in 15.3.5, 15.4.4, 15.5.2

How to fix

Upgrade to a fixed version: GitLab 15.3.5, 15.4.4, 15.5.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3726.json
https://gitlab.com/gitlab-org/gitlab/-/issues/362509
https://hackerone.com/reports/1563383
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3726.json
https://gitlab.com/gitlab-org/gitlab/-/issues/362509
https://hackerone.com/reports/1563383

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