CVE-2026-57303

Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(1)	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:jenkins:assembla:*:*:*:*:*:jenkins:*:*

History

25 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) El plugin Jenkins Assembla 1.4 y anteriores no configura su analizador XML para prevenir ataques de entidad externa XML (XXE), permitiendo a atacantes capaces de controlar las respuestas del servidor Assembla configurado extraer secretos del controlador de Jenkins o realizar falsificación de petición del lado del servidor.

Information

Published : 2026-06-24 14:17

Updated : 2026-10-25 22:10

NVD link : CVE-2026-57303

Mitre link : CVE-2026-57303

CVE.ORG link : CVE-2026-57303

JSON object : View

Products Affected

jenkins

assembla

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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