CVE-2026-10220: Nousresearch Hermes-Agent

High severity, CVSS 7.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was determined in NousResearch hermes-agent up to 2026.4.30. Affected is the function _serve_plugin_skill/skill_view of the file tools/skills_tool.py. Executing a manipulation can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. 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.