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

7.4 high

High (7.4) in ibm contextforge mcp gateway.

On this page
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.

Severity

CVSS 3.1

7.4 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
CWE-294 Authentication Bypass by Capture-replay
OWASP Top 10
A07:2025 Authentication Failures
Published
Modified
Assigned by
ibm (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • ibm:contextforge mcp gateway

Versions

From the CNA's record in the CVE List.

ProductAffected
IBM ContextForge MCP Gatewayfrom 1.0.0 through 1.1.0

Attack patterns (CAPEC)

  • CAPEC-60 Reusing Session IDs (aka Session Replay) Likelihood: High · Severity: High
  • CAPEC-94 Adversary in the Middle (AiTM) Likelihood: High · Severity: Very High
  • CAPEC-102 Session Sidejacking Likelihood: High · Severity: High
  • CAPEC-509 Kerberoasting Severity: High
  • CAPEC-555 Remote Services with Stolen Credentials Severity: Very High
  • CAPEC-561 Windows Admin Shares with Stolen Credentials
  • CAPEC-644 Use of Captured Hashes (Pass The Hash) Likelihood: Medium · Severity: High
  • CAPEC-645 Use of Captured Tickets (Pass The Ticket) Likelihood: Low · Severity: High
  • CAPEC-652 Use of Known Kerberos Credentials Likelihood: Medium · Severity: High
  • CAPEC-701 Browser in the Middle (BiTM) Likelihood: Medium · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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