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OpenAdvisories
High · 7.3 CVE-2026-84652 EUVD-2026-70118GHSA-42rh-v5qm-8p5w

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a user is authenticated via the "remember m…

Published Sep 2, 2026 · Updated Sep 3, 2026 · Assigned by jenkins

Description

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a user is authenticated via the "remember me" cookie, allowing attackers able to serve content on the same site as Jenkins to set a known session cookie in the victim's browser, which after the victim authenticates via the "remember me" cookie, grants the attacker access to Jenkins as that user.

Affected products

VendorProductAffectedFixed
Jenkins Project Jenkins — —

Advisories 1

References