CVE-2026-42523 – Jenkins Plugin

CVSS 9 CRITICAL

“Trusted plugins can become the weakest link in your CI/CD pipeline.”

This Jenkins patch addresses multiple vulnerabilities across widely used plugins, including GitHub, Credentials Binding, and HTML Publisher. CVE-2026-42523 is a critical issue in the GitHub Plugin that can severely impact pipeline security and potentially allow unauthorized access or manipulation of build processes. CVE-2026-42524 affects the HTML Publisher Plugin with high severity, while CVE-2026-42520 impacts the Credentials Binding Plugin, introducing additional risk around sensitive credential handling.

CVE-2026-42523 has a CVSS score of 9.0, which is Critical severity. CVE-2026-42524 has a CVSS score of 8.0, which is High severity. CVE-2026-42520 has a CVSS score of 7.5, which is High severity. There is no verified evidence of active exploitation or publicly available proof-of-concept code for these vulnerabilities at this time.

Patch this CVE on all your endpoints in under 5 minutes. First 200 endpoints are free forever, scale as needed.