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CVE-2026-9367

NousResearch hermes-agent - terminal_tool

NousResearch CVSS 7.3 Updated May 29, 2026

Executive Risk Summary

"A vulnerability in NousResearch hermes-agent up to 5157f5427f19488b31c6fdebbacd15d798ce7f63 allows for os command injection, potentially enabling remote attacks. This issue affects the detect_dangerous_command function of the tools/approval.py component."

Anticipated Attack Path

  1. 1. Initial exploitation of the os command injection vulnerability
  2. 2. Potential lateral movement within the network
  3. 3. Exfiltration of sensitive data or installation of additional malware

Am I Vulnerable?

  • Verify the version of hermes-agent and ensure it is not vulnerable
  • Monitor system logs for suspicious activity related to the terminal_tool component
  • Implement additional security controls to prevent exploitation, such as input validation and sanitization

Operational Audit Arsenal

Target Type Python script
Target Asset tools/approval.py
Standard Path hermes-agent installation directory

Manual Verification Required

This is a non-Windows asset (NousResearch). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Unlikely

Minimal, as the patch should only affect the hermes-agent terminal_tool component

Internal Work Notes

NousResearch hermes-agent terminal_tool vulnerability (CVE-2026-9367) - potential for os command injection and system compromise, recommend immediate patching and monitoring

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Intelligence Sources

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.