CVE-2023-46656: Jenkins Multibranch Scan Webhook Trigger

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.

Affected products

• Jenkins Multibranch Scan Webhook Trigger: up to and including 1.0.9

Published 2023-10-25. Last modified 2026-06-17.