---
id: CVE-2026-17432
title: A vulnerability was detected in NousResearch hermes-agent 2026.6.5
summary: >-
  A vulnerability was detected in NousResearch hermes-agent 2026.6.5. Affected
  by this vulnerability is an unknown functionality of the file
  hermes-agent/plugins/platforms/simplex/adapter.py of the component SimpleX
  Gateway Authorization. …
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-266
  - CWE-284
published: '2026-07-26'
updated: '2026-07-26'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17432'
references:
  - url: 'https://github.com/NousResearch/hermes-agent/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/NousResearch/hermes-agent/commit/490c486ff65b766d9de0fe0e6f26e1778aaa8fb3
    label: cna@vuldb.com
  - url: 'https://github.com/NousResearch/hermes-agent/issues/44729'
    label: cna@vuldb.com
  - url: 'https://github.com/NousResearch/hermes-agent/issues/44730'
    label: cna@vuldb.com
  - url: 'https://github.com/NousResearch/hermes-agent/pull/41246'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-17432'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/862424'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383065'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383065/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-26T11:12:03.051Z'
epss: 0.0023
epssPercentile: 0.14117
---

## Overview

A vulnerability was detected in NousResearch hermes-agent 2026.6.5. Affected by this vulnerability is an unknown functionality of the file hermes-agent/plugins/platforms/simplex/adapter.py of the component SimpleX Gateway Authorization. The manipulation of the argument contactId results in improper access controls. The attack may be launched remotely. A high complexity level is associated with this attack. The exploitation appears to be difficult. The exploit is now public and may be used. The patch is identified as 490c486ff65b766d9de0fe0e6f26e1778aaa8fb3. Applying a patch is advised to resolve this issue.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.