CVE-2026-9351
NousResearch hermes-agent read_file Tool file_tools.py _is_blocked_device path traversal
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 6.9EPSS 0.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
24 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
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
Affected products
NousResearch · hermes-agentpublic PoCs found — 1
cve_referencegist.github.com/YLChen-007/1d1aeff404cb88e06ec2fb3377f49fefunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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