CVE-2022-43410 Webhook endpoint discloses job names to unauthorized users in Jenkins Mercurial Plugin

Medium 5.3 Published 19 Oct 2022 Updated 8 May 2025

The Jenkins Mercurial Plugin webhook leaks job trigger and polling information to unauthorized users, exposing sensitive scheduling data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2022-43410?

CVE-2022-43410 is a medium-severity vulnerability in Jenkins Mercurial Plugin, published on 19 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jenkins Mercurial Plugin 1251.va_b_121f184902 and earlier provides information about which jobs were triggered or scheduled for polling through its webhook endpoint, including jobs the user has no permission to access.

Weakness: CWE-200

Which versions are affected by CVE-2022-43410?

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

Package	Affected	Fixed in
`org.jenkins-ci.plugins:mercurial` Maven	All versions	`1260.vdfb_723cdcc81`
`org.jenkins-ci.plugins:mercurial` Maven	All versions	`1260.vdfb_723cdcc81`

Products include Jenkins Mercurial.

How do I fix CVE-2022-43410?

Upgrade org.jenkins-ci.plugins:mercurial to 1260.vdfb_723cdcc81 or later.

Is CVE-2022-43410 being exploited?

There is no known exploitation of CVE-2022-43410 in the wild and no public exploit code.

Sources

Also known as GHSA-j7pg-863g-22p6.