DNS Rebinding Vulnerability in IBM ContextForge MCP Gateway
CVE-2026-18905

7.7HIGH

Key Information:

Vendor

IBM
Status
Contextforge Mcp Gateway (`mcp-contextforge-gateway`)
Vendor
CVE Published:
4 September 2026

What is CVE-2026-18905?

The IBM ContextForge MCP Gateway up to version 1.0.6 is susceptible to a DNS rebinding vulnerability that allows remote authenticated attackers to leverage tool invocation to access sensitive information. This flaw poses significant risks by enabling unauthorized access to critical data, emphasizing the need for immediate attention and remediation.

Affected Version(s)

ContextForge MCP Gateway (`mcp-contextforge-gateway`) <= v1.0.6

References

https://www.ibm.com/support/pages/node/7286053
vendor-advisorypatch

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.