7.3highHigh
CVE-2026-84652
Jenkins Jenkins
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.
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an ordinary user account is needed.
- Beyond that, someone has to be persuaded to take an action first.
Scoring
- CVSS
- 7.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N- Weakness
- CWE-384
- Assigned by
- jenkinsci-cert@googlegroups.com
Dates
- Published
- 2026-09-02
- Last modified
- 2026-09-11
- Sources
- NVD
Affected products
- Jenkins Jenkins- 2.568.3, - 2.580
As listed in the NVD configuration data. Not a statement about your estate.