CVE-2026-53441

Medium

Description

Jenkins 2.483 through 2.567 (both inclusive), LTS 2.492.1 through 2.555.2 (both inclusive) does not escape the user-provided description of a generic offline cause that could be set through the `POST config.xml` API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.

SeverityMedium

CVSS5.4

Exploit probability—

Product

Jenkins

PublishedJun 10, 2026

First seenJun 10, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

jenkins jenkins2.568, 2.555.3 or later
org.jenkins-ci.main:jenkins-core2.568 or later

Vendor advisories

jenkins.io/security/advisory/2026-06-10/#SECURITY-3731

Affected products

Product	Affected versions	Fixed in
jenkins jenkins	2.483 ≤ v < 2.568, 2.492.1 ≤ v < 2.555.3	2.568, 2.555.3
org.jenkins-ci.main:jenkins-coreMaven	2.483 ≤ v < 2.568	2.568

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.