CVE-2022-3726 Server-side request forgery in GitLab

Medium 4.8 Published 9 Nov 2022 Updated 1 May 2025

Attackers can trick users into triggering HTTP requests via OpenAPI documents, potentially compromising victim accounts.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2022-3726?

CVE-2022-3726 is a medium-severity server-side request forgery vulnerability in Gitlab Gitlab, published on 9 Nov 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Which versions are affected by CVE-2022-3726?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Package	Affected	Fixed in
`gitlab` Bitnami	From `12.6.0`	`15.3.5, 15.4.4, 15.5.2`

Products include Gitlab Gitlab.

How do I fix CVE-2022-3726?

Upgrade gitlab to a fixed version for your release line: 15.3.5, 15.4.4 or 15.5.2.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2022-3726 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3726 exists.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2022-3726, GHSA-75cm-h3qp-7jq4, UBUNTU-CVE-2022-3726.