CVE-2026-14626: NousResearch hermes-agent HTTP API run_agent.py AIAgent.run_conversation denial of service

Published Jul 4, 2026
·
Updated

A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. The impacted element is the function AIAgent.runconversation of the file runagent.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.

Affected Software

1 affected component
NousResearch hermes-agent HTTP API<=2026.4.30

Event History

Jul 4, 2026
CVE Published
via MITRE·12:00 PM
Data Sourced
via MITRE·12:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·12:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-14626?

The severity of CVE-2026-14626 is medium with a CVSS score of 4.3.

2

How do I fix CVE-2026-14626?

To fix CVE-2026-14626, update your NousResearch hermes-agent to the latest version that addresses the denial of service vulnerability.

3

What type of vulnerability is CVE-2026-14626?

CVE-2026-14626 is a denial of service vulnerability affecting the AIAgent.run_conversation function in the NousResearch hermes-agent.

4

Can CVE-2026-14626 be exploited remotely?

Yes, CVE-2026-14626 can be exploited remotely, allowing attackers to initiate a denial of service.

5

What component of NousResearch is impacted by CVE-2026-14626?

CVE-2026-14626 impacts the HTTP API component of NousResearch hermes-agent, specifically the run_agent.py file.

Contact

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