CVE-2026-14626
MediumCVSS 4.3Summary
A weakness was found in NousResearch hermes-agent up to version 2026.4.30 in the function AIAgent.run_conversation of the file run_agent.py of the HTTP API component. Manipulation of the argument todos causes denial of service. The attack can be initiated remotely, and the exploit is publicly available.
Risk Assessment
The organization is exposed to remote DoS attacks that can disrupt services based on hermes-agent, leading to system unavailability. The public exploit increases the risk of rapid exploitation.
Recommendation
Immediately update hermes-agent to a version newer than 2026.4.30 if available, or apply temporary mitigations such as filtering the todos argument in HTTP API requests.
Original NVD description (English source)
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.