CVE-2026-9351
MEDIUMNousResearch hermes-agent read_file Tool file_tools.py _is_blocked_device path traversal
Title source: cnaDescription
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.
References (4)
Core 4
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-365314 | NousResearch hermes-agent read_file Tool file_tools.py _is_blocked_device path traversal
https://vuldb.com/vuln/365314
Signature, Permissions Required signature
permissions-required
VDB-365314 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/365314/cti
Third Party Advisory third-party-advisory
Submit #812214 | NousResearch hermes-agent 2026.4.16 Path Traversal (CWE-22)
https://vuldb.com/submit/812214
Scores
CVSS v3
6.5
EPSS
0.0066
EPSS Percentile
46.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (17)
NousResearch/hermes-agent
2026.4.0
NousResearch/hermes-agent
2026.4.1
NousResearch/hermes-agent
2026.4.10
NousResearch/hermes-agent
2026.4.11
NousResearch/hermes-agent
2026.4.12
NousResearch/hermes-agent
2026.4.13
NousResearch/hermes-agent
2026.4.14
NousResearch/hermes-agent
2026.4.15
NousResearch/hermes-agent
2026.4.16
NousResearch/hermes-agent
2026.4.2
... and 7 more
Published
May 24, 2026
Tracked Since
May 24, 2026