Unknown [CVE-2026-61399] Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lock User Functionality
This security Apache Software Foundation advisory covers CVE-2026-61399 affecting Apache CloudStack.
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Summary
Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lock User Functionality.
This issue affects Apache CloudStack: from 4.20.0.0 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.
- 4.20.0.0 through 4.20.3.0
- 4.21.0.0 through 4.22.1.0.
- through 4.22.1.0
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
- 4.20.3.1
- 4.22.1.1
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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