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  4. CVE 2026 110199 ibm contextforge mcp gateway is affected by a dom
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Back to active CVEs
Medium · CVSS 4.8CVE-2026-110199

IBM ContextForge MCP Gateway is affected by a DOM-based cross-site scriptingCVE-2026-110199

Answer in brief

CVE-2026-110199 records a Medium severity (CVSS 4.8) vulnerability in IBM ContextForge MCP Gateway is affected by a DOM-based cross-site scripting. The current sources do not mark it as known exploited. The current feed maps IBM/ContextForge MCP Gateway (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 13, 2026Updated Nov 13, 2026Source checked Nov 13, 2026First seen by HOL Nov 13, 2026Material review Nov 13, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps IBM/ContextForge MCP Gateway (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
IBM/ContextForge MCP Gatewaygeneric>=1.0.0 <=1.0.11Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for IBM/ContextForge MCP Gateway.
  2. 2Review the reported fix. Source-reported solution: IBM strongly recommends addressing the vulnerability now. Product(s)Version(s) number and/or range Remediation/Fix/InstructionsIBM ContextForge MCP Gatewayv1.1.0Install or upgrade to v1.1.0 [ v1.1.0 Release Notes https://github.com/IBM/mcp-context-forge/releases/tag/v1.1.0 ]

Evidence timeline and material changes

  1. Published upstream

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 13, 2026

Sources and claim methodology

  • Source referenceibm.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • IBM ContextForge MCP Gateway is affected by an improper access control vulnerability in configuration importSame ibm/contextforge mcp gateway package
  • IBM ContextForge MCP Gateway is affected by a denial of service due to an incomplete list of disallowed jq inputsSame ibm/contextforge mcp gateway package
  • IBM ContextForge MCP Gateway is affected by a server-side request forgery vulnerabilitySame ibm/contextforge mcp gateway package
  • IBM ContextForge MCP Gateway is affected by an authorization bypass vulnerabilitySame ibm/contextforge mcp gateway package
  • IBM ContextForge MCP Gateway is affected by an information exposure vulnerabilitySame ibm/contextforge mcp gateway package
  • IBM ContextForge MCP Gateway is affected by an improper authentication vulnerabilitySame ibm/contextforge mcp gateway package

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Nov 13, 2026
References
1 linked source
Open source record