CVE-2026-85105: NousResearch hermes-agent Session Management s71.py _sess_nowait authorization

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-03 · updated 2026-09-03
Weakness: CWE-285

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.

Affected products

NousResearch hermes-agent: 0.18.0

References

https://vuldb.com/cve/CVE-2026-85105
https://vuldb.com/submit/885131
https://vuldb.com/vuln/398312
https://vuldb.com/vuln/398312/cti

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