Form submission data binding can set static fields

Jenkins uses the https://github.com/jenkinsci/staplerStapler web framework for HTTP request handling. In Stapler 2107.v8dfcbe8ed317 and earlier, except 2088.2093.vd7c3e58008a6, included in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, form data binding allows setting public static fields of...

PT-2026-84770

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...

Instantiation of any types related to configuration

Jenkins uses the https://github.com/jenkinsci/staplerStapler web framework for HTTP request handling. Stapler's form data binding instantiates configuration objects of types specified in form submissions. In Stapler 2107.v8dfcbe8ed317 and earlier, except 2088.2093.vd7c3e58008a6, included in Jenki...

CVE-2026-33013

A flaw was found in Micronaut Framework, specifically within the micronaut-core component. This vulnerability allows a remote attacker to cause a Denial of Service DoS by sending crafted indexed form parameters. The flaw occurs because the framework does not correctly handle descending array inde...