CVE-2026-117624

HighCVSS 8.8/10Last modified Nov 5, 2026

Description

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not consistently enforce the restriction on deserializing objects of types marked as storing their configuration in independent top-level configuration files as nested values, allowing attackers to bypass the root element check and potentially inject nested objects.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Jenkins Project	Jenkins	—

References

https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4243Mitigation, Vendor Advisory

Timeline

Published: Oct 28, 2026
Last modified: Nov 5, 2026
NVD status: Modified

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