CVE-2026-61422

Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality. When registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validation is performed. However, this does not pose a malicious template or ISO registration risk, as URL validation still occurs prior to the actual download by the Secondary Storage VM.This issue affects Apache CloudStack: in 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

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 LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc	Mailing List Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:cloudstack::::::::
	cpe:2.3:a:apache:cloudstack:4.20.3.0:::::::*

History

16 Oct 2026, 15:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad SSRF de prevalidación autenticada en la funcionalidad de registro de plantillas e ISO de Apache CloudStack. Al registrar una plantilla o ISO, CloudStack realiza una llamada HTTP HEAD/GET en vivo para determinar el tamaño del archivo para las comprobaciones de límite de uso del almacenamiento secundario, y esto ocurre antes de que se realice la validación de la URL. Sin embargo, esto no representa un riesgo de registro malicioso de plantillas o ISO, ya que la validación de la URL aún ocurre antes de la descarga real por parte de la VM de Almacenamiento Secundario. Este problema afecta a Apache CloudStack: en 4.20.3.0 y desde 4.21.0.0 hasta 4.22.1.0. Se recomienda a los usuarios actualizar a la versión 4.20.3.1 o 4.22.1.1 o posterior, lo que soluciona el problema.

Information

Published : 2026-08-21 09:16

Updated : 2026-10-16 15:10

NVD link : CVE-2026-61422

Mitre link : CVE-2026-61422

CVE.ORG link : CVE-2026-61422

JSON object : View

Products Affected

apache

cloudstack

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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