CVE-2026-61397
Received Received - Intake

Exposure of Sensitive Information in Apache CloudStack OAuth2 Plugin

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 OAuth2 authentication plugin and Google OAuth integration. This issue affects Apache CloudStack: from 4.19.0.0 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, 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-2026-61397
EUVD
EUVD-2026-63840

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
apache cloudstack 4.19.0.0
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.

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Executive Summary

This vulnerability involves the exposure of sensitive information to unauthorized actors in Apache CloudStack's OAuth2 authentication plugin and Google OAuth integration. It affects specific versions of Apache CloudStack between 4.19.0.0 and 4.20.3.0, and between 4.21.0.0 and 4.22.1.0.

Impact Analysis

An unauthorized actor could gain access to sensitive information due to this flaw. This may lead to data breaches, unauthorized access to user accounts, or other security incidents depending on the exposed data.

Mitigation Strategies

Upgrade Apache CloudStack to version 4.20.3.1 or 4.22.1.1 to fix the OAuth2 authentication plugin and Google OAuth integration vulnerability.

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