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CVE-2026-7397— NousResearch hermes-agent file_tools.py _check_sensitive_path symlink

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.

Hermes Agent是Nous Research开源的一款具备自我学习循环的AI代理工具。 Hermes Agent 0.8.0版本存在后置链接漏洞，该漏洞源于文件tools/file_tools.py中函数_check_sensitive_path操作不当，可能导致符号链接跟随。

CVSS 4.4 · Medium EPSS 0.17% · P6

Affected Version Matrix 2

VendorProduct Version RangeStatus
NousResearch hermes-agent 0.8.0 affected
0.9.0 unaffected
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I. Basic Information for CVE-2026-7397

Vulnerability Information
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Vulnerability Title
NousResearch hermes-agent file_tools.py _check_sensitive_path symlink
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in NousResearch hermes-agent 0.8.0. This affects the function _check_sensitive_path of the file tools/file_tools.py. The manipulation results in symlink following. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.9.0 is able to mitigate this issue. The patch is identified as 311dac197145e19e07df68feba2cd55d896a3cd1. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-61
Source: CVE Program / CVE List V5
Vulnerability Title
Hermes Agent 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hermes Agent是Nous Research开源的一款具备自我学习循环的AI代理工具。 Hermes Agent 0.8.0版本存在后置链接漏洞，该漏洞源于文件tools/file_tools.py中函数_check_sensitive_path操作不当，可能导致符号链接跟随。
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 0.8.0 -

II. Public POCs for CVE-2026-7397

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III. Intelligence Information for CVE-2026-7397

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Patches & Fixes for CVE-2026-7397 (2)

Other References for CVE-2026-7397 (3)

IV. Related Vulnerabilities

Same product: hermes-agent
Same vendor: NousResearch
Same weakness: CWE-61

V. Comments for CVE-2026-7397

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