CVE-2026-61399

Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lock User Functionality. This issue affects Apache CloudStack: from 4.20.0.0 through 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 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

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::::::::

History

16 Oct 2026, 15:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de codificación o escape de salida incorrectos en la interfaz de usuario (UI) de Apache CloudStack al usar la funcionalidad de bloqueo de usuario. Este problema afecta a Apache CloudStack: desde 4.20.0.0 hasta 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, que corrige el problema.

Information

Published : 2026-08-21 09:16

Updated : 2026-10-16 15:10

NVD link : CVE-2026-61399

Mitre link : CVE-2026-61399

CVE.ORG link : CVE-2026-61399

JSON object : View

Products Affected

apache

cloudstack

CWE

CWE-116

Improper Encoding or Escaping of Output

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