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CVE-2026-11918

IBM ContextForge MCP Gateway is affected by security filter bypass via nested payload structures

CVSS 3.1 5.4 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-11918

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-11918

Published

ContextForge MCP Gateway

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "IBM",
                    "product": "ContextForge MCP Gateway",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "<= v1.0.4"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:ibm:contextforge_mcp_gateway:*:*:*:*:*:*:*:*"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON