CVE-2026-9350— NousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 17
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| NousResearch | hermes-agent | 2026.4.0 | affected |
2026.4.1 | affected | ||
2026.4.2 | affected | ||
2026.4.3 | affected | ||
2026.4.4 | affected | ||
2026.4.5 | affected | ||
2026.4.6 | affected | ||
2026.4.7 | affected | ||
| … +9 more rows | |||
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I. Basic Information for CVE-2026-9350
Vulnerability Information
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Vulnerability Title
NousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This affects the function check_all_command_guards of the file tools/approval.py of the component Batch Runner. Such manipulation leads to missing authorization. The attack can be launched remotely. The exploit is publicly available and might be used. 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
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hermes Agent 安全漏洞
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 2026.4.16及之前版本存在安全漏洞，该漏洞源于Batch Runner组件文件tools/approval.py中函数check_all_command_guards，可能导致缺少授权。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NousResearch | hermes-agent | 2026.4.0 | cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-9350
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-9350 (1)
Same Patch Batch · NousResearch · 2026-05-24 · 9 CVEs total
| CVE-2026-9353 | 7.3 HIGH | NousResearch hermes-agent Skills Guard Multi-Word Prompt skills_guard.py injection |
| CVE-2026-9366 | 7.3 HIGH | NousResearch hermes-agent prompt_builder.py _scan_context_content injection |
| CVE-2026-9368 | 7.3 HIGH | NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox |
| CVE-2026-9367 | 7.3 HIGH | NousResearch hermes-agent terminal_tool approval.py detect_dangerous_command os command in |
| CVE-2026-9351 | 6.5 MEDIUM | NousResearch hermes-agent read_file Tool file_tools.py _is_blocked_device path traversal |
| CVE-2026-9354 | 6.5 MEDIUM | NousResearch hermes-agent Slack Agent/Mattermost Agent escape output |
| CVE-2026-9352 | 5.3 MEDIUM | NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure |
| CVE-2026-9369 | 5.3 MEDIUM | NousResearch hermes-agent CLI web-dashboard web_server.py _discover_dashboard_plugins comp |
IV. Related Vulnerabilities
Same product: hermes-agent
- CVE-2026-53870
Hermes Agent < 0.16.0 - Sensitive File Permission Vulnerabil - CVE-2026-53869
Hermes Agent < 0.16.0 - DNS Rebinding Bypass via WebSocket E - CVE-2026-11461
NousResearch hermes-agent resume Endpoint hermes_state.py re - CVE-2026-10548
NousResearch hermes-agent Credential Pool Synchronization cr - CVE-2026-10224
NousResearch hermes-agent Webhook Endpoint feishu.py _handle
Same vendor: NousResearch
- CVE-2026-53870
Hermes Agent < 0.16.0 - Sensitive File Permission Vulnerabil - CVE-2026-53869
Hermes Agent < 0.16.0 - DNS Rebinding Bypass via WebSocket E - CVE-2026-11461
NousResearch hermes-agent resume Endpoint hermes_state.py re - CVE-2026-10548
NousResearch hermes-agent Credential Pool Synchronization cr - CVE-2026-10224
NousResearch hermes-agent Webhook Endpoint feishu.py _handle
Same weakness: CWE-862
- CVE-2026-12119
Simple File List <= 6.3.7 - Missing Authorization to Authent - CVE-2026-11912
Simple File List <= 6.3.7 - Missing Authorization to Unauthe - CVE-2026-56213
Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via u - CVE-2026-48582
Microsoft Exchange Online Elevation of Privilege Vulnerabili - CVE-2026-12238
WP Go Maps <= 10.1.01 - Unauthenticated Arbitrary Record Cre
V. Comments for CVE-2026-9350
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