---
id: CVE-2026-9368
aliases:
  - GHSA-wm96-9gfh-vvgq
  - PYSEC-2026-2515
title: hermes-agent has a sandbox issue
summary: hermes-agent has a sandbox issue
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
vendor: hermes-agent
product: hermes-agent
ecosystem: pip
affected:
  - hermes-agent < 0.11.0
patched:
  - hermes-agent 0.11.0
published: '2026-05-26'
updated: '2026-07-13'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-wm96-9gfh-vvgq'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-9368'
  - url: >-
      https://github.com/NousResearch/hermes-agent/commit/285bb2b9150b93445e5eded9bc897a4001b66e55
  - url: 'https://gist.github.com/YLChen-007/43c72d19668421abe8ce10f299323a0a'
  - url: 'https://github.com/NousResearch/hermes-agent'
  - url: 'https://vuldb.com/submit/812229'
  - url: 'https://vuldb.com/vuln/365331'
  - url: 'https://vuldb.com/vuln/365331/cti'
tags:
  - osv
  - pip
epss: 0.0038
epssPercentile: 0.31919
ingestedAt: '2026-07-13T18:58:04.606Z'
---

## Overview

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.

## Affected packages

- `hermes-agent < 0.11.0`

## Remediation

Upgrade to a patched release:

- `hermes-agent 0.11.0`