CVE-2026-70429

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3924	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

23 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Jenkins 2.575 y anteriores, LTS 2.568.1 y anteriores maneja la insensibilidad a mayúsculas y minúsculas en nombres de usuario y nombres de grupo de manera inconsistente, permitiendo a atacantes capaces de crear nuevos usuarios o grupos con nombres que coinciden sin distinguir mayúsculas de minúsculas con otros caracteres para suplantar a otros usuarios o que se les concedan sus permisos en algunas circunstancias.

Information

Published : 2026-08-05 18:17

Updated : 2026-10-24 16:10

NVD link : CVE-2026-70429

Mitre link : CVE-2026-70429

CVE.ORG link : CVE-2026-70429

JSON object : View

Products Affected

jenkins

jenkins

CWE

CWE-178

Improper Handling of Case Sensitivity

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