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CVE-2026-116755— SoftIron HyperCloud: OS Command Injection in Orchestrator via Virtual Machine Template Fields

Quick assessment

Affected
SoftIron HyperCloud
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.

SoftIron HyperCloud 的 Orchestrator 组件存在命令注入漏洞（CWE-78：命令中特殊元素未正确中和）。该漏洞允许拥有管理平面访问权限的已认证用户，在虚拟化宿主主机上以特权编排用户身份执行任意操作系统命令。 攻击者可控制的虚拟机模板内容（例如 VM DESCRIPTION 字段）会通过一个未对终止符加引号的 shell here-document（here-doc）传递给宿主主机。因此，在执行虚拟机生命周期操作（如部署、迁移和网络配置）时，该内容会经历 shell 变量扩展和 here

CVSS 7.4 · High

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-116755

Vulnerability Information
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Vulnerability Title
SoftIron HyperCloud: OS Command Injection in Orchestrator via Virtual Machine Template Fields
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Special Elements used in a Command ('Command Injection') in the Orchestrator component of SoftIron HyperCloud allows an authenticated user with access to the management plane to execute arbitrary operating system commands on hypervisor hosts as the privileged orchestration user. Attacker-controlled virtual machine template content (for example, the VM DESCRIPTION field) is delivered to hosts through a shell here-document whose terminator is not quoted, so shell expansion and here-document terminator injection are performed on that content during virtual machine lifecycle operations such as deploy, migrate, and network setup. Exploitation requires valid credentials, access to the management plane (owning a virtual machine alone is not sufficient), and a lifecycle operation that reaches the affected host. This issue affects the Orchestrator component of SoftIron HyperCloud from 1.0 through 2.6.17 and is fixed in 2.6.18.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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
SoftIron HyperCloud 1.0 ~ 2.6.18 -

II. Public POCs for CVE-2026-116755

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III. Intelligence Information for CVE-2026-116755

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Vendor Advisories for CVE-2026-116755 (1)

IV. Related Vulnerabilities

Same product: HyperCloud
Same vendor: SoftIron
Same weakness: CWE-78