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.
Published: 2026-08-21
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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History

Thu, 27 Aug 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Apache cloudstack
CPEs cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*
Vendors & Products Apache cloudstack

Tue, 25 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 21 Aug 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache apache Cloudstack
Vendors & Products Apache
Apache apache Cloudstack

Fri, 21 Aug 2026 08:45:00 +0000

Type Values Removed Values Added
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.
Title Apache CloudStack: OAuth2 Token Cross-Request Leak
Weaknesses CWE-200
References

Subscriptions

Apache Apache Cloudstack Cloudstack
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-08-25T19:22:14.318Z

Reserved: 2026-07-09T07:56:59.890Z

Link: CVE-2026-61397

cve-icon Vulnrichment

Updated: 2026-08-25T19:21:59.466Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-21T09:16:39.363

Modified: 2026-08-27T00:21:49.233

Link: CVE-2026-61397

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-25T22:00:13Z

Weaknesses