CVE-2026-14626: medium-severity vulnerability in NousResearch hermes-agent
NousResearch hermes-agent HTTP API run_agent.py AIAgent.run_conversation denial of service
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.5%
A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. The impacted element is the function AIAgent.run_conversation of the file run_agent.py of the component HTTP API. This manipulation of the argument todos causes denial of service. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. 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:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
NousResearch · hermes-agentpublic PoCs found — 1
cve_referencegist.github.com/YLChen-007/b91a85f9448beadebe25d37a3f4fd760unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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