CVE-2026-85105

High

Description

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.

SeverityHigh

CVSS7.3

Exploit probability—

ProductNousresearch Hermes-agent

PublishedSep 3, 2026

First seenSep 3, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key CWE-285CWE-285

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
nousresearch hermes-agent	0.18.0	—

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