---
id: CVE-2026-10222
aliases:
  - GHSA-mv8x-fg99-32mf
title: hermes-agent has an Injection issue
summary: hermes-agent has an Injection issue
severity: medium
cvss: 5.6
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'
vendor: hermes-agent
product: hermes-agent
ecosystem: pip
affected:
  - hermes-agent < 0.18.0
patched:
  - hermes-agent 0.18.0
published: '2026-06-01'
updated: '2026-07-09'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-mv8x-fg99-32mf'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-10222'
  - url: >-
      https://github.com/NousResearch/hermes-agent/commit/b944c6e821c2177eac6da857c99ff24566aa56b0
  - url: 'https://gist.github.com/YLChen-007/7ee2eeaa383b3540d2e8854250c03fb0'
  - url: 'https://github.com/NousResearch/hermes-agent'
  - url: 'https://vuldb.com/cve/CVE-2026-10222'
  - url: 'https://vuldb.com/submit/822020'
  - url: 'https://vuldb.com/vuln/367501'
  - url: 'https://vuldb.com/vuln/367501/cti'
tags:
  - osv
  - pip
epss: 0.00267
epssPercentile: 0.16756
ingestedAt: '2026-07-10T13:49:10.888Z'
---

## Overview

A security flaw has been discovered in NousResearch hermes-agent up to 2026.4.30. Affected by this issue is the function _sanitize_env_lines of the file hermes_cli/config.py. The manipulation results in injection. It is possible to launch the attack remotely. The attack requires a high level of complexity. The exploitation is known to be difficult. 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.

## Affected packages

- `hermes-agent < 0.18.0`

## Remediation

Upgrade to a patched release:

- `hermes-agent 0.18.0`