PT-2026-84770 · Jenkins+1 · Jenkins

CVE-2026-84647

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Published

2026-09-02

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Updated

2026-09-08

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Stapler 2107.v8dfcb e8ed317 and earlier, except 2088.2093.vd7c3e58008a 6, included in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Stapler does not restrict the types of objects that can be instantiated via form data binding to those compatible with the expected field type, allowing attackers with Overall/Read permission to instantiate types related to configuration for which that field type was not intended.

Fix

Deserialization of Untrusted Data

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Weakness Enumeration

Related Identifiers

BIT-JENKINS-2026-84647
CVE-2026-84647

Affected Products

Jenkins