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CVE-2026-84647

Jenkins · Vulnerability

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-84647

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-84647

Published

Jenkins

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Jenkins Project",
                    "product": "Jenkins",
                    "versions": [
                        {
                            "version": "2.580",
                            "versionType": "maven",
                            "lessThan": "*",
                            "status": "unaffected"
                        },
                        {
                            "version": "2.568.3",
                            "versionType": "maven",
                            "lessThan": "2.568.*",
                            "status": "unaffected"
                        }
                    ],
                    "defaultStatus": "affected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON