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CVE-2026-110199— IBM ContextForge MCP Gateway is affected by a DOM-based cross-site scripting

Quick assessment

Affected
IBM ContextForge MCP Gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM ContextForge MCP Gateway 1.0.0 至 1.0.11 版本存在跨站脚本（XSS）漏洞。该漏洞允许特权用户在 Web 界面中嵌入任意 JavaScript 代码，从而改变预期功能，并可能导致在受信任的会话中泄露凭据信息。

CVSS 4.8 · Medium EPSS 0.17% · P7

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM ContextForge MCP Gateway 1.0.0≤ 1.0.11 affected
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I. Basic Information for CVE-2026-110199

Vulnerability Information
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Vulnerability Title
IBM ContextForge MCP Gateway is affected by a DOM-based cross-site scripting
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM ContextForge MCP Gateway 1.0.0 ~ 1.0.11 cpe:2.3:a:ibm:contextforge_mcp_gateway:1.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-110199

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III. Intelligence Information for CVE-2026-110199

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Other References for CVE-2026-110199 (1)

Same Patch Batch · IBM · 2026-11-13 · 21 CVEs total

CVE-2026-91869 8.1 HIGH IBM Security QRadar EDR Improper Restriction of Excessive Authentication Attempts
CVE-2026-115788 8.1 HIGH IBM App Connect Operator and IBM App Connect Enterprise Certified Containers Operands Log
CVE-2026-110279 8.1 HIGH IBM ContextForge MCP Gateway is affected by an improper authentication vulnerability
CVE-2026-109158 7.5 HIGH IBM App Connect Operator and IBM App Connect Enterprise Certified Containers Operands Inse
CVE-2026-123628 7.5 HIGH IBM webMethods Integration Server is vulnerable to sensitive information disclousure via a
CVE-2026-110278 7.4 HIGH IBM ContextForge MCP Gateway is affected by an information exposure vulnerability
CVE-2026-91868 6.5 MEDIUM IBM Security QRadar EDR Improper Access Control
CVE-2026-94407 6.5 MEDIUM IBM ContextForge MCP Gateway is affected by a regular expression denial of service
CVE-2026-110189 6.5 MEDIUM IBM ContextForge MCP Gateway is affected by a denial of service due to an incomplete list
CVE-2026-82102 6.4 MEDIUM DataStage on Cloud Pak for Data has vulnerabilities due to open source software
CVE-2026-9870 6.1 MEDIUM IBM Cyber Fraud includes components with multiple known vulnerabilities
CVE-2026-114468 6.0 MEDIUM IBM App Connect Operator and IBM App Connect Enterprise Certified Containers Operands Hard
CVE-2026-110194 5.4 MEDIUM IBM ContextForge MCP Gateway is affected by a server-side request forgery vulnerability
CVE-2026-110195 5.4 MEDIUM IBM ContextForge MCP Gateway is affected by an authorization bypass vulnerability
CVE-2026-9821 5.3 MEDIUM IBM Cyber Fraud includes components with multiple known vulnerabilities
CVE-2026-115501 5.3 MEDIUM IBM i is Affected By A Buffer Overflow Vulnerability in QFileSvr.400 File System []
CVE-2026-110178 4.1 MEDIUM IBM ContextForge MCP Gateway is affected by an improper access control vulnerability in co
CVE-2026-108290 4.0 MEDIUM IBM Cyber Fraud includes components with multiple known vulnerabilities
CVE-2026-5514 3.3 LOW IBM Bob is vulnerable to unauthorized session token exposure due to improper handling of a
CVE-2026-97683 2.5 LOW IBM Cyber Fraud includes components with multiple known vulnerabilities

IV. Related Vulnerabilities

Same product: ContextForge MCP Gateway
Same vendor: IBM
Same weakness: CWE-79