CVE-2026-110278: IBM ContextForge MCP Gateway is affected by an information exposure vulnerability

Published Nov 12, 2026
·
Updated

IBM ContextForge could allow an attacker to replay identity propagation claims signatures or expose sensitive user identity information to third-party MCP servers due to static signature payloads and missing per-gateway configuration checks during tool invocation.

Other sources

IBM ContextForge MCP Gateway 1.0.0 through 1.1.0 could allow an attacker to replay identity propagation claims signatures or expose sensitive user identity information to third-party MCP servers due to static signature payloads and missing per-gateway configuration checks during tool invocation.

— MITRE

Affected Software

1 affected componentFixes available
IBM ContextForge MCP Gateway<=v1.0.0-v1.1.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM ContextForge MCP Gateway to a version that resolves this vulnerability.

    Fixed in 1.1.1

Event History

Nov 12, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Nov 13, 2026
CVE Published
via MITRE·09:43 PM
Data Sourced
via MITRE·09:43 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·10:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which versions should be considered affected?

IBM ContextForge MCP Gateway versions 1.0.0 through 1.1.0 are identified as affected.

2

What level of access does an attacker need to exploit this issue?

The CVSS vector indicates network-based exploitation with no privileges or user interaction required. Exploitation has high attack complexity and may enable replay of identity-propagation claim signatures or exposure of sensitive user identity information to third-party MCP servers.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203