CVE-2026-47359

published 2026-08-21

CVE-2026-47359: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache CloudStack's NAS backup provider plugin. The…

Priority P2 66 high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache CloudStack's NAS backup provider plugin. The addBackupRepository API (available since 4.20.0.0) and updateBackupRepository API (introduced in 4.22.0.0) accept unsanitized command options for the backup repository. A malicious operator account can exploit this to inject arbitrary commands that execute on the KVM hypervisor host when any account subsequently performs a backup restore.

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
apache	cloudstack	>= 4.20.0.0 < 4.20.3.1	4.20.3.1
apache	cloudstack	>= 4.21.0.0 < 4.22.1.1	4.22.1.1
apache_software_foundation	apache_cloudstack	4.20.0.0 – 4.20.3.0	—
apache_software_foundation	apache_cloudstack	4.21.0.0 – 4.22.1.0	—

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CWE-78