CVE-2026-65613
Received Received - Intake

Information Exposure in Apache CloudStack Webhook Module

Publication date: 2026-08-21

Last updated on: 2026-08-21

Assigner: Apache Software Foundation

Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's Webhook module while listing and deleting deliveries. 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.

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Meta Information

Published
2026-08-21
Last Modified
2026-08-21
Generated
2026-08-21
AI Q&A
2026-08-21
EPSS Evaluated
N/A
NVD
CVE-2026-65613
EUVD
EUVD-2026-63834

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apache cloudstack From 4.20.0.0 (inc) to 4.20.3.0 (inc)
apache cloudstack From 4.21.0.0 (inc) to 4.22.1.0 (inc)
apache cloudstack 4.20.3.1
apache cloudstack 4.22.1.1

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

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Executive Summary

This vulnerability involves the exposure of sensitive information to unauthorized actors through Apache CloudStack's Webhook module. It occurs when listing and deleting deliveries, potentially allowing attackers to access confidential data.

Impact Analysis

If exploited, this vulnerability could lead to unauthorized access to sensitive information, compromising data confidentiality. Attackers might retrieve or manipulate delivery details, impacting system integrity and privacy.

Compliance Impact

This vulnerability could violate compliance requirements under GDPR and HIPAA by exposing sensitive data to unauthorized parties. Organizations may face legal penalties, reputational damage, and loss of trust due to non-compliance.

Mitigation Strategies

Upgrade Apache CloudStack to version 4.20.3.1, 4.22.1.1, or later to fix the vulnerability in the Webhook module.

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