CVE-2026-85105: Nousresearch Hermes-Agent

High severity, CVSS 7.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A flaw has been found in NousResearch hermes-agent 0.18.0. Affected by this issue is the function _sess_nowait of the file s71.py of the component Session Management. This manipulation of the argument session_id causes authorization bypass. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Nousresearch Hermes-Agent: version 0.18.0 only

Published 2026-09-03. Last modified 2026-09-03.