CVE-2026-84652
High · 7.3CVSS
7.3
EPSS
0.4%
Published
Sep 2, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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