CVE-2026-110278
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IBM ContextForge MCP Gateway Identity Propagation Signature Replay Vulnerability
Vulnerability report for CVE-2026-110278, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-13
Last updated on: 2026-11-13
Assigner: IBM Corporation
Description
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| IBM | ContextForge MCP Gateway | From 1.0.0 (inc) to 1.1.0 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-294 | A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). |
