---
id: CVE-2026-51997
title: >-
  An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker
  to execute arbitrary code via the open() functions
summary: >-
  An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker
  to execute arbitrary code via the open() functions
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-20
  - CWE-94
  - CWE-918
published: '2026-09-24'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:17:09.083'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-51997'
references:
  - url: 'https://github.com/geelen/mcp-remote'
    label: cve@mitre.org
  - url: 'https://github.com/geelen/mcp-remote/security/advisories'
    label: cve@mitre.org
  - url: >-
      https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-08-browser-url-validation.md
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-25T16:30:01.121484Z'
ingestedAt: '2026-09-24T15:45:56.640Z'
epss: 0.00532
epssPercentile: 0.4476
---

## Overview

An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the open() functions

## Remediation

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