CVE-2026-9350: medium-severity vulnerability in NousResearch hermes-agent
NousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
NousResearch · hermes-agentpublic PoCs found — 1
cve_referencegist.github.com/YLChen-007/22cada4c9060f5123dde6185135ae3abunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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