VULNERABILITY INTELLIGENCE
CVE-2026-84646
CVSS score4.3 MEDIUM
EPSS probability0.52%
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:N/I:L/A:N
Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, user objects can appear as nested field values in other deserialized XML objects, allowing attackers with Overall/Read permission to create user objects by submitting crafted XML.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-502
Primary references
- jenkinsci-cert@googlegroups.com — Vendor Advisory