CVE-2023-50771 Open redirect vulnerability in Jenkins OpenId Connect Authentication Plugin

Medium 6.1 Published 13 Dec 2023 Updated 13 Feb 2025

Attackers can exploit improper redirect validation in the Jenkins OpenId Connect plugin to conduct phishing attacks against users.

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

What is CVE-2023-50771?

CVE-2023-50771 is a medium-severity vulnerability in Jenkins OpenId Connect Authentication Plugin, published on 13 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Jenkins OpenId Connect Authentication Plugin 2.6 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins, allowing attackers to perform phishing attacks.

Weakness: CWE-601

Which versions are affected by CVE-2023-50771?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:oic-auth. It affects 1 product.

Package	Affected	Fixed in
`org.jenkins-ci.plugins:oic-auth` Maven	All versions	`3.0`
`org.jenkins-ci.plugins:oic-auth` Maven	All versions	`3.0`

Products include Jenkins Openid Connect Authentication.

How do I fix CVE-2023-50771?

Upgrade org.jenkins-ci.plugins:oic-auth to 3.0 or later.

Is CVE-2023-50771 being exploited?

There is no known exploitation of CVE-2023-50771 in the wild and no public exploit code.

Sources

Also known as GHSA-9qv8-7jfq-73j2.