CVE Catalog

CVE-2026-61398

CriticalCVSS 9.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.14%

4th percentile - higher than 4% of all known CVEs

Summary

Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Instance Reset Password functionality. Affects versions from 4.15.1.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Risk Assessment

May lead to XSS attacks, allowing malicious script execution in an administrator's browser and potential session theft.

Recommendation

Upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

Original NVD description (English source)

Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Instance Reset Password functionality. This issue affects Apache CloudStack: from 4.15.1.0 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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS