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.
Metrics
Affected Vendors & Products
References
History
Thu, 27 Aug 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:* |
Wed, 26 Aug 2026 15:30:00 +0000
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|---|---|---|
| Metrics |
cvssV3_1
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Fri, 21 Aug 2026 13:45:00 +0000
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| First Time appeared |
Apache
Apache cloudstack |
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| Vendors & Products |
Apache
Apache cloudstack |
Fri, 21 Aug 2026 08:45:00 +0000
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| Description | 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. | |
| Title | Apache CloudStack: OS Command Injection due to unsanitized mount command | |
| Weaknesses | CWE-78 | |
| References |
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Status: PUBLISHED
Assigner: apache
Published: 2026-08-21T08:30:07.701Z
Updated: 2026-08-26T14:17:31.535Z
Reserved: 2026-05-19T14:09:26.916Z
Link: CVE-2026-47359
Updated: 2026-08-21T13:28:51.757Z
Status : Analyzed
Published: 2026-08-21T09:16:38.000
Modified: 2026-08-27T00:06:21.860
Link: CVE-2026-47359
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