CVE-2026-9350

HIGH

NousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization

Title source: cna
STIX 2.1

Description

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This affects the function check_all_command_guards of the file tools/approval.py of the component Batch Runner. Such manipulation leads to missing authorization. The attack can be launched remotely. The exploit is publicly available and might be used. 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-365313 | NousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization
https://vuldb.com/vuln/365313
Signature, Permissions Required signature permissions-required
VDB-365313 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/365313/cti
Third Party Advisory third-party-advisory
Submit #812213 | NousResearch hermes-agent 2026.4.16 Missing Authorization (CWE-862)
https://vuldb.com/submit/812213

Scores

CVSS v3 7.3
EPSS 0.0036
EPSS Percentile 27.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-862 CWE-863
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