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.

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Fixes

Solution

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Workaround

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History

Wed, 28 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Title XSS Vulnerability in Jenkins Workspace Link Generation Exposed to Agent‑Controlled Processes
Weaknesses CWE-79

Wed, 28 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Description 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.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-10-28T16:48:34.260Z

Reserved: 2026-10-27T13:10:56.914Z

Link: CVE-2026-117621

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-28T17:18:21.433

Modified: 2026-10-28T17:18:21.433

Link: CVE-2026-117621

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T19:00:23Z

Weaknesses