CVE-2026-9368

HIGH

NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox

Title source: cna

Description

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack 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-365331 | NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox

https://vuldb.com/vuln/365331

Signature, Permissions Required signature permissions-required

VDB-365331 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/365331/cti

Third Party Advisory third-party-advisory

Submit #812229 | NousResearch hermes-agent 2026.4.16 Improper Privilege Management (CWE-269)

https://vuldb.com/submit/812229

Exploit exploit

https://gist.github.com/YLChen-007/43c72d19668421abe8ce10f299323a0a

Scores

CVSS v3 7.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Details

CWE

CWE-264 CWE-265

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