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CVE-2026-9367— NousResearch hermes-agent terminal_tool approval.py detect_dangerous_command os command injection

CVSS 7.3 · High EPSS 1.75% · P75

Affected Version Matrix 1

VendorProductVersion RangeStatus
NousResearchhermes-agent5157f5427f19488b31c6fdebbacd15d798ce7f63affected
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I. Basic Information for CVE-2026-9367

Vulnerability Information
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Vulnerability Title
NousResearch hermes-agent terminal_tool approval.py detect_dangerous_command os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in NousResearch hermes-agent up to 5157f5427f19488b31c6fdebbacd15d798ce7f63. This affects the function detect_dangerous_command of the file tools/approval.py of the component terminal_tool. This manipulation causes os command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Hermes Agent 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hermes Agent是Nous Research开源的一款具备自我学习循环的AI代理工具。 Hermes Agent 5157f5427f19488b31c6fdebbacd15d798ce7f63及之前版本存在操作系统命令注入漏洞，该漏洞源于组件terminal_tool中文件tools/approval.py的函数detect_dangerous_command操作不当，可能导致OS命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
NousResearchhermes-agent 5157f5427f19488b31c6fdebbacd15d798ce7f63 cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9367

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III. Intelligence Information for CVE-2026-9367

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Proof of Concept for CVE-2026-9367 (1)

Same Patch Batch · NousResearch · 2026-05-24 · 9 CVEs total

CVE-2026-93507.3 HIGHNousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization
CVE-2026-93537.3 HIGHNousResearch hermes-agent Skills Guard Multi-Word Prompt skills_guard.py injection
CVE-2026-93667.3 HIGHNousResearch hermes-agent prompt_builder.py _scan_context_content injection
CVE-2026-93687.3 HIGHNousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox
CVE-2026-93516.5 MEDIUMNousResearch hermes-agent read_file Tool file_tools.py _is_blocked_device path traversal
CVE-2026-93546.5 MEDIUMNousResearch hermes-agent Slack Agent/Mattermost Agent escape output
CVE-2026-93525.3 MEDIUMNousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure
CVE-2026-93695.3 MEDIUMNousResearch hermes-agent CLI web-dashboard web_server.py _discover_dashboard_plugins comp

IV. Related Vulnerabilities

Same product: hermes-agent
Same vendor: NousResearch
Same weakness: CWE-78

V. Comments for CVE-2026-9367

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