CVE-2018-1000173: Jenkins Google Login

Medium severity, CVSS 5.9. EPSS: 1.5% chance of exploitation in the next 30 days.

A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.

Affected products

• Jenkins Google Login: up to and including 1.3

Published 2018-05-08. Last modified 2026-06-17.