CVE-2026-18905 HIGH

CVE-2026-18905: IBM ContextForge MCP Gateway is affected by server-side request forgery via DNS TOCTOU at tool invocation

Vendor Ibm
Product ContextForge MCP Gateway (`mcp-contextforge-gateway`)
Weakness CWE-918 · SSRF
Published September 4, 2026
Last update September 4, 2026

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

IBM ContextForge MCP Gateway (`mcp-contextforge-gateway`) <= v1.0.6 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive information due to a DNS rebinding vulnerability during tool invocation.

Key dates

02Disclosure timeline

September 4, 2026 CVE published

Related vulnerabilities

04Related CVE