CVE-2026-84646

Published Sep 2, 2026

Last updated 23 days ago

Overview

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.
Source
jenkinsci-cert@googlegroups.com
NVD status
Analyzed
Products
jenkins

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.3
Impact score
1.4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-502

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.