CVE-2026-42523

CriticalCVSS 9.0/10Last modified Jun 17, 2026

Description

Jenkins GitHub Plugin 1.46.0 and earlier improperly processes the current job URL as part of JavaScript implementing validation of the feature "GitHub hook trigger for GITScm polling", resulting in a stored cross-site scripting (XSS) vulnerability exploitable by non-anonymous attackers with Overall/Read permission.

Metrics

CVSS 3.1 9.0/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 29, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-42523: Critical severity, CVSS 9.0 | Vulnix