CVE-2026-110199

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Cross-Site Scripting in IBM ContextForge MCP Gateway

Publication date: 2026-11-13

Last updated on: 2026-11-13

Assigner: IBM Corporation

Description

IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 is vulnerable to cross-site scripting. This vulnerability allows a privileged user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

CVSS Scores

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Meta Information

Published

2026-11-13

Last Modified

2026-11-13

Generated

2026-11-14

AI Q&A

2026-11-14

EPSS Evaluated

N/A

NVD

CVE-2026-110199

Affected Vendors & Products

Vendor	Product	Version / Range
IBM	ContextForge MCP Gateway	From 1.0.0 (inc) to 1.0.11 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 has a cross-site scripting vulnerability. A privileged user can inject arbitrary JavaScript into the Web UI, which could alter functionality and potentially lead to credential disclosure during a trusted session.

Impact Analysis

This vulnerability could allow an attacker with privileged access to steal user credentials or session tokens through malicious JavaScript execution in the Web UI. It may also enable unauthorized actions or data manipulation within the application.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR's data protection principles and HIPAA's security requirements for protected health information. It may result in non-compliance due to potential credential theft and data exposure.

Mitigation Strategies

Update IBM ContextForge MCP Gateway to the latest version (1.0.11 or higher) to address the cross-site scripting vulnerability. Review and restrict privileged user access to prevent unauthorized script embedding in the Web UI.

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