Improper Privilege Management in Apache CloudStack's Two-Factor Authentication Plugin
CVE-2026-59799

8.8HIGH

Key Information:

Vendor

Apache
Status
Apache Cloudstack
Vendor
CVE Published:
21 August 2026

What is CVE-2026-59799?

A vulnerability in Apache CloudStack's Two-factor authentication plugin allows unauthorized bypass of the two-factor authentication disable flow. This flaw can potentially lead to privilege escalation, enabling users to circumvent critical security measures. Affected versions range from 4.18.0.0 to 4.22.1.0. It is crucial for users to upgrade to versions 4.20.3.1 or 4.22.1.1 or later to mitigate these risks.

Affected Version(s)

Apache CloudStack 4.18.0.0 <= 4.20.3.0

Apache CloudStack 4.21.0.0 <= 4.22.1.0

References

https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3f...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Erichen <chenyoulong20g@ict.ac.cn>
.