CVE-2026-117621: XSS
Published Oct 28, 2026
·Updated
Jenkins 2.587 and earlier, LTS 2.580.1 and earlier computes on the agent the URL of the link shown in the workspace browser for each file and directory, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.
Affected Software
1 affected component
Jenkins Jenkins<=2.587, <=2.580.1
Event History
Oct 28, 2026
CVE Published
via MITRE·04:48 PM
Data Sourced
via MITRE·04:48 PM
Description
Frequently Asked Questions
1
Who can exploit this issue?
An attacker must be in control of a Jenkins agent process. The issue is exposed through the workspace browser links generated for files and directories.
2
Which Jenkins releases are affected?
Jenkins 2.587 and earlier, and LTS 2.580.1 and earlier, are affected.