Vulnerability/
https://seclists.org/oss-sec/2026/q4/413

https://seclists.org/oss-sec/2026/q4/413: Multiple vulnerabilities in Jenkins

Q: Which Jenkins releases include the security fixes?

The fixes are included in Jenkins 2.588 and Jenkins LTS 2.580.2.

Q: What part of Jenkins is involved in CVE-2026-117612?

The issue involves Jenkins' use of XStream to serialize and deserialize configuration and build data. Jenkins uses a custom deserialization filter intended to limit allowed types during this process.

Published Oct 28, 2026

Updated

Affected Software

1 affected component

Jenkins Jenkins<=2.587, <=2.580.1

Frequently Asked Questions

Which Jenkins releases include the security fixes?

The fixes are included in Jenkins 2.588 and Jenkins LTS 2.580.2.

What part of Jenkins is involved in CVE-2026-117612?

The issue involves Jenkins' use of XStream to serialize and deserialize configuration and build data. Jenkins uses a custom deserialization filter intended to limit allowed types during this process.

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