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CVE-2026-59655: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache CloudStack

0
High
Published: 08/21/2026 (08/21/2026, 08:28:14 UTC)
Source: GCVE Database
Vendor/Project: Apache Software Foundation
Product: Apache CloudStack

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers. 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 or later, which fixes the issue.

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

org.apache.cloudstack/cloudstack
pkg:maven/org.apache.cloudstack/cloudstack
Affected versions
>=4.19.0.0 <=4.20.3.0>=4.21.0.0 <=4.22.1.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/21/2026, 14:35:00 UTC

Technical Analysis

CVE-2026-59655 describes a vulnerability in Apache CloudStack's OAuth authentication plugin that leads to exposure of sensitive information to unauthorized actors during the listing of OAuth providers. The affected versions include 4.19.0.0 through 4.20.3.0 and 4.21.0.0 through 4.22.1.0. The vulnerability is categorized under CWE-200 (Exposure of Sensitive Information). The vendor has released fixed versions 4.20.3.1 and 4.22.1.1 to address this issue.

Potential Impact

Unauthorized actors may gain access to sensitive information from the OAuth authentication plugin in affected Apache CloudStack versions. This could lead to information disclosure that may aid further attacks or compromise confidentiality of authentication data.

Mitigation Recommendations

Users should upgrade affected Apache CloudStack installations to version 4.20.3.1 or 4.22.1.1 or later, where the vulnerability has been fixed. No other specific mitigations are indicated.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-73gx-q9q8-7w92
Osv Schema Version
1.4.0
Aliases
["CVE-2026-59655"]
State
PUBLISHED

Threat ID: 6a885f22acd9273b493f8079

Added to database: 08/21/2026, 14:22:26 UTC

Last enriched: 08/21/2026, 14:35:00 UTC

Last updated: 10/05/2026, 18:48:20 UTC

Views: 53

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