CVE-2023-35141: Jenkins

High severity, CVSS 8.0. EPSS: 0.9% chance of exploitation in the next 30 days.

In Jenkins 2.399 and earlier, LTS 2.387.3 and earlier, POST requests are sent in order to load the list of context actions. If part of the URL includes insufficiently escaped user-provided values, a victim may be tricked into sending a POST request to an unexpected endpoint by opening a context menu.

Affected products

• Jenkins Jenkins: before 2.400 (fixed in 2.400); before 2.401.1 (fixed in 2.401.1)

Published 2023-06-14. Last modified 2026-06-17.