CVE-2019-10405: Jenkins

Medium severity, CVSS 5.4. EPSS: 65.3% chance of exploitation in the next 30 days.

Jenkins 2.196 and earlier, LTS 2.176.3 and earlier printed the value of the "Cookie" HTTP request header on the /whoAmI/ URL, allowing attackers exploiting another XSS vulnerability to obtain the HTTP session cookie despite it being marked HttpOnly.

Affected products

• Jenkins Jenkins: up to and including 2.176.3; up to and including 2.196

Published 2019-09-25. Last modified 2026-06-17.