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CVE-2026-47359— Apache CloudStack: OS Command Injection due to unsanitized mount command

Quick assessment

Affected
Apache Software Foundation Apache CloudStack
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache CloudStack 的 NAS 备份提供商插件中存在“OS 命令注入”漏洞，即对 OS 命令中使用的特殊元素处理不当（Improper Neutralization of Special Elements used in an OS Command）。 API（自版本 4.20.0.0 起可用）和 API（在版本 4.22.0.0 中引入）接受未经验证和清理的备份仓库命令参数。恶意操作员账户可利用此漏洞注入任意命令，当任何后续账户执行备份恢复操作时，这些命令将在 KVM 虚拟机监控程序主机上执行。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Apache Software Foundation Apache CloudStack 4.20.0.0≤ 4.20.3.0 affected
4.21.0.0≤ 4.22.1.0 affected
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I. Basic Information for CVE-2026-47359

Vulnerability Information
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Vulnerability Title
Apache CloudStack: OS Command Injection due to unsanitized mount command
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache CloudStack 4.20.0.0 ~ 4.20.3.0 -

II. Public POCs for CVE-2026-47359

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III. Intelligence Information for CVE-2026-47359

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Mailing List Discussions for CVE-2026-47359 (1)

Same Patch Batch · Apache Software Foundation · 2026-08-21 · 21 CVEs total

CVE-2026-59654 6.8 MEDIUM Apache CloudStack: DoS caused by database connections leak
CVE-2026-61398 Apache CloudStack: Cross-Site Scripting (XSS) Vulnerability in Instance Reset Password Fun
CVE-2026-68745 Apache CloudStack: SAML2 Signature Validation Silently Skipped for Cert-less IdP
CVE-2026-66797 Apache CloudStack: Unauthorised comment creation and disclosure
CVE-2026-66722 Apache CloudStack: ProjectRole & ProjectRolePermission authorization issue
CVE-2026-66721 Apache CloudStack: Authorization issue with listHostTags for domain admins
CVE-2026-65613 Apache CloudStack: Webhook Deliveries Incorrect Access
CVE-2026-62440 Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulatio
CVE-2026-61422 Apache CloudStack: Authenticated pre-validation SSRF in registerTemplate
CVE-2026-61400 Apache CloudStack: Get and Run Diagnostics Command Injection
CVE-2026-61399 Apache CloudStack: Cross-Site Scripting (XSS) Vulnerability in Lock User Function in UI
CVE-2026-61397 Apache CloudStack: OAuth2 Token Cross-Request Leak
CVE-2026-59799 Apache CloudStack: Missing Privilege Check in Two-Factor Authentication Disable Flow
CVE-2026-59780 Apache CloudStack: LDAP provider configuration disclosure
CVE-2026-59657 Apache CloudStack: Sensitive Information Disclosure via Cleartext Storage in AsyncJob
CVE-2026-59655 Apache CloudStack: Unauthenticated OAuth provider client-secret disclosure
CVE-2026-59085 Apache CloudStack: Server-Side Request Forgery (SSRF) vulnerability in webhook module
CVE-2026-50222 Apache CloudStack: Improper access control in Userdata reference APIs
CVE-2026-50112 Apache CloudStack: RCE and SSRF in direct download, metalink and NFS templates
CVE-2026-63046 Apache InLong: Agent Installer — Command Injection to RCE via Default Credentials

IV. Related Vulnerabilities

Same product: Apache CloudStack
Same vendor: Apache Software Foundation
Same weakness: CWE-78

V. Comments for CVE-2026-47359

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