CVE-2026-10224: Nousresearch Hermes-Agent

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. This vulnerability affects the function _handle_webhook_request of the file gateway/platforms/feishu.py of the component Webhook Endpoint. Such manipulation leads to resource consumption. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Nousresearch Hermes-Agent: version 2026.4.0 only; version 2026.4.1 only; version 2026.4.2 only; version 2026.4.3 only; version 2026.4.4 only; version 2026.4.5 only; …

Published 2026-06-01. Last modified 2026-07-22.