---
id: CVE-2026-11918
title: >-
  IBM ContextForge MCP Gateway <= v1.0.4 IBM mcp-context-forge could allow an
  authenticated user to bypass protection mechanisms due to incomplete recursive
  inspection of nested payload content.
summary: >-
  IBM ContextForge MCP Gateway <= v1.0.4 IBM mcp-context-forge could allow an
  authenticated user to bypass protection mechanisms due to incomplete recursive
  inspection of nested payload content.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-184
vendor: IBM
product: ContextForge MCP Gateway
affected:
  - contextforge_mcp_gateway <= v1.0.4
published: '2026-09-15'
updated: '2026-09-20'
sourceUpdated: '2026-09-20T01:16:27.057'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-11918'
references:
  - url: 'https://www.ibm.com/support/pages/node/7285720'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-20T00:34:58.389670Z'
epss: 0.00163
epssPercentile: 0.04861
ingestedAt: '2026-09-15T17:41:02.953Z'
---

## Overview

IBM ContextForge MCP Gateway <= v1.0.4 IBM mcp-context-forge could allow an authenticated user to bypass protection mechanisms due to incomplete recursive inspection of nested payload content.

## Remediation

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