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

Quick assessment

Affected
NousResearch hermes-agent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nous Research Hermes Agent是Nous Research团队开源的一款具备自我学习循环的AI代理工具。 NousResearch Hermes Agent 0.18.0版本存在授权问题漏洞，该漏洞源于Session Management组件的s71.py文件中_sess_nowait函数对session_id参数操作不当，可能导致授权绕过，攻击者可远程发起攻击。

CVSS 7.3 · High EPSS 0.37% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
NousResearch hermes-agent 0.18.0 affected
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I. Basic Information for CVE-2026-85105

Vulnerability Information
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Vulnerability Title
NousResearch hermes-agent Session Management s71.py _sess_nowait authorization
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
NousResearch Hermes Agent 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nous Research Hermes Agent是Nous Research团队开源的一款具备自我学习循环的AI代理工具。 NousResearch Hermes Agent 0.18.0版本存在授权问题漏洞，该漏洞源于Session Management组件的s71.py文件中_sess_nowait函数对session_id参数操作不当，可能导致授权绕过，攻击者可远程发起攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NousResearch hermes-agent 0.18.0 cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-85105

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III. Intelligence Information for CVE-2026-85105

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Security Blog Posts for CVE-2026-85105 (1)

Other References for CVE-2026-85105 (2)

Same Patch Batch · NousResearch · 2026-09-03 · 4 CVEs total

CVE-2026-71963 8.8 HIGH Hermes Agent 0.18.2 - 0.21.0 RCE via git core.fsmonitor Config Injection
CVE-2026-85106 6.3 MEDIUM NousResearch hermes-agent Link Title Fetch index.tsx fetchLinkTitle server-side request fo
CVE-2026-85107 4.3 MEDIUM NousResearch hermes-agent Electron Main Process main.ts resourceBufferFromUrl allocation o

IV. Related Vulnerabilities

Same product: hermes-agent
Same vendor: NousResearch
Same weakness: CWE-639

V. Comments for CVE-2026-85105

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