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CVE-2026-61397: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache CloudStack

0
High
VulnerabilityCVE-2026-61397cvecve-2026-61397cwe-200
Published: 08/21/2026 (08/21/2026, 08:26:25 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache CloudStack

Description

CVE-2026-61397 is a high severity vulnerability in Apache CloudStack affecting the OAuth2 authentication plugin and Google OAuth integration. It allows exposure of sensitive information to unauthorized actors. The issue affects versions from 4.19.0.0 through 4.20.3.0 and 4.21.0.0 through 4.22.1.0. Fixed versions are 4.20.3.1 and 4.22.1.1.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected software

Apache Software Foundation

Apache CloudStack

Affected versions
>=4.19.0.0 <=4.20.3.0>=4.21.0.0 <=4.22.1.0
Mavenmore threats →ai
org.apache.cloudstack/cloudstack
pkg:maven/org.apache.cloudstack/cloudstack
Affected versions
=4.19.0.0>=4.19.0.0 <4.20.3.1=4.21.0.0>=4.21.0.0 <4.22.1.1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/10/2026, 18:44:43 UTC

Technical Analysis

This vulnerability (CWE-200) in Apache CloudStack's OAuth2 authentication plugin and Google OAuth integration causes exposure of sensitive information to unauthorized actors. The affected versions include 4.19.0.0 through 4.20.3.0 and 4.21.0.0 through 4.22.1.0. The vendor has released fixed versions 4.20.3.1 and 4.22.1.1 to address this issue. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges required, no user interaction, and impact on confidentiality only.

Potential Impact

An attacker can gain access to sensitive information without authorization due to this vulnerability in the OAuth2 and Google OAuth components of Apache CloudStack. The confidentiality of data is compromised, but integrity and availability are not affected. This could lead to information disclosure risks in affected deployments.

Mitigation Recommendations

Users should upgrade Apache CloudStack to versions 4.20.3.1 or 4.22.1.1, which contain the official fixes for this vulnerability. No other mitigation steps are indicated by the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-07-09T07:56:59.890Z
State
PUBLISHED

Threat ID: 6a88309eacd9273b4907b86b

Added to database: 08/21/2026, 11:03:58 UTC

Last enriched: 09/10/2026, 18:44:43 UTC

Last updated: 10/05/2026, 18:48:21 UTC

Views: 67

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