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hermes-agent CVE-2026-9351

| EUVD-2026-31565 MEDIUM
Path Traversal (CWE-22)
2026-05-24 VulDB GHSA-hjf5-mqw9-9ph9
Path Traversal
5.5
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
CVSS changed
May 26, 2026 - 19:52 NVD
6.5 (MEDIUM) 5.5 (MEDIUM)
Analysis Generated
May 24, 2026 - 03:46 vuln.today

DescriptionNVD

A security flaw has been discovered in NousResearch hermes-agent up to 2026.4.16. This vulnerability affects the function _is_blocked_device of the file tools/file_tools.py of the component read_file Tool. Performing a manipulation results in path traversal. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Path traversal in NousResearch hermes-agent through version 2026.4.16 allows remote unauthenticated attackers to bypass path restrictions and modify or disrupt file operations via the read_file tool. The flaw exists in the _is_blocked_device function within tools/file_tools.py. …

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CVE-2026-9351 vulnerability details – vuln.today
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