What’s Vulnerable › Vulnerabilities

CVE-2026-9350: NousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-24 · updated 2026-07-23
• Weakness: CWE-862

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.

Affected products

• NousResearch hermes-agent: 2026.4.0, 2026.4.1, 2026.4.2, 2026.4.3, 2026.4.4, 2026.4.5 (+11)

References

• https://gist.github.com/YLChen-007/22cada4c9060f5123dde6185135ae3ab
• https://vuldb.com/submit/812213
• https://vuldb.com/vuln/365313
• https://vuldb.com/vuln/365313/cti

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