CVE-2026-59799
Received Received - Intake

Two-factor Authentication Bypass in Apache CloudStack

Publication date: 2026-08-21

Last updated on: 2026-08-21

Assigner: Apache Software Foundation

Description
Improper Privilege Management vulnerability in Apache CloudStack's Two-factor authentication plugin allowing bypass of the two-factor authentication disable flow. This issue affects Apache CloudStack: from 4.18.0.0 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-2026-59799
EUVD
EUVD-2026-63841

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apache cloudstack From 4.18.0.0 (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-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

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Executive Summary

This vulnerability is an Improper Privilege Management issue in Apache CloudStack's Two-factor authentication plugin. It allows bypassing the two-factor authentication disable flow, meaning unauthorized users could potentially gain access without proper authentication.

Impact Analysis

If exploited, this vulnerability could allow attackers to bypass authentication protections, potentially gaining unauthorized access to systems or data managed by Apache CloudStack. This could lead to data breaches or unauthorized actions.

Compliance Impact

This vulnerability could impact compliance with GDPR, HIPAA, or other regulations by enabling unauthorized access to sensitive data. Organizations using affected versions may fail to meet security requirements for data protection and access control.

Mitigation Strategies

Upgrade Apache CloudStack to version 4.20.3.1 or 4.22.1.1 or later to fix the improper privilege management issue in the Two-factor authentication plugin.

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