CVE-2026-84646

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3908	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:jenkins:jenkins:::::lts:::*
	cpe:2.3:a:jenkins:jenkins:::::-:::*

History

No history.

Information

Published : 2026-09-02 16:17

Updated : 2026-09-11 21:15

NVD link : CVE-2026-84646

Mitre link : CVE-2026-84646

CVE.ORG link : CVE-2026-84646

JSON object : View

Products Affected

jenkins

jenkins

CWE

CWE-502

Deserialization of Untrusted Data

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