VULNERABILITY INTELLIGENCE
CVE-2026-84650
CVSS score8.8 HIGH
EPSS probability0.47%
CISA KEVNot currently listed
Published2026-09-02
Last modified2026-09-11
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, transient fields cannot be excluded from deserialization, allowing attackers able to submit configuration updates to specify the values of transient fields that will be deserialized, the impact depending on how those fields are used.
Weakness classification
- CWE-502: Deserialization of Untrusted Data
- CWE-566: Authorization Bypass Through User-Controlled SQL Primary Key
Primary references
- jenkinsci-cert@googlegroups.com — Vendor Advisory