CVE-2023-24435 Missing permission checks in Jenkins GitHub Pull Request Builder Plugin

Medium 6.5 Published 24 Jan 2023 Updated 2 Apr 2025

Attackers with read access can capture Jenkins credentials by connecting to an attacker-controlled URL due to missing permission checks.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-24435?

CVE-2023-24435 is a medium-severity missing authorization vulnerability in Jenkins GitHub Pull Request Builder Plugin, published on 24 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A missing permission check in Jenkins GitHub Pull Request Builder Plugin 1.42.2 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Weakness: CWE-862

Which versions are affected by CVE-2023-24435?

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

Package	Affected	Fixed in
`org.jenkins-ci.plugins:ghprb` Maven	All versions to `1.42.2`	None
`org.jenkins-ci.plugins:ghprb` Maven	All versions to `1.42.2`	None

Products include Jenkins Github Pull Request Builder.

How do I fix CVE-2023-24435?

No fix has been published for CVE-2023-24435 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-24435 being exploited?

There is no known exploitation of CVE-2023-24435 in the wild and no public exploit code.

Sources

Also known as GHSA-w4v5-54p8-m4j5.