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CVE-2026-77822— IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint

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是美国IBM公司的一款模型上下文协议网关。 IBM ContextForge MCP Gateway 1.0.8及之前版本存在服务端请求伪造漏洞，该漏洞源于存在服务端请求伪造漏洞，可能导致远程认证攻击者通过DNS重绑定获取敏感信息。

CVSS 8.2 · High EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM ContextForge MCP Gateway <= v1.0.8 affected
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I. Basic Information for CVE-2026-77822

Vulnerability Information
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Vulnerability Title
IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
IBM ContextForge MCP Gateway could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery via DNS rebinding.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM ContextForge MCP Gateway 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM ContextForge MCP Gateway是美国IBM公司的一款模型上下文协议网关。 IBM ContextForge MCP Gateway 1.0.8及之前版本存在服务端请求伪造漏洞，该漏洞源于存在服务端请求伪造漏洞，可能导致远程认证攻击者通过DNS重绑定获取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM ContextForge MCP Gateway <= v1.0.8 cpe:2.3:a:ibm:contextforge-mcp-gateway:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-77822

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III. Intelligence Information for CVE-2026-77822

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Vendor Pages for CVE-2026-77822 (1)

Same Patch Batch · IBM · 2026-09-04 · 64 CVEs total

CVE-2026-18658 9.8 CRITICAL IBM Operational Decision Manager for Aug 2026 - Multiple CVEs addressed
CVE-2026-19274 9.6 CRITICAL IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent con
CVE-2026-19298 8.8 HIGH Langflow is vulnerable to remote code execution due to authorization policy bypass in the
CVE-2026-18486 8.8 HIGH IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation
CVE-2026-19305 8.6 HIGH Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL val
CVE-2026-18175 8.1 HIGH IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DR
CVE-2026-18221 8.1 HIGH IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DR
CVE-2026-19303 8.1 HIGH Langflow is vulnerable to arbitrary file write and arbitrary file deletion due to unvalida
CVE-2026-19304 7.7 HIGH Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL val
CVE-2026-81832 7.7 HIGH IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable t
CVE-2026-19306 7.7 HIGH Langflow is vulnerable to arbitrary local file read due to path traversal in ChatInput, bu
CVE-2026-19283 7.7 HIGH IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent con
CVE-2026-18905 7.7 HIGH IBM ContextForge MCP Gateway is affected by server-side request forgery via DNS TOCTOU at
CVE-2026-19300 7.5 HIGH Langflow is vulnerable to information disclosure due to cross-user MCP tool cache collisio
CVE-2026-18489 7.4 HIGH IBM ContextForge Translate is affected by cross-client credential context confusion
CVE-2026-5522 6.7 MEDIUM QRadar contains hard-coded credentials
CVE-2026-17622 6.5 MEDIUM Langflow OSS is affected by arbitrary file read due to path traversal vulnerabilities in f
CVE-2026-9186 6.5 MEDIUM Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized M
CVE-2026-14470 6.5 MEDIUM Langflow OSS is affected by arbitrary file read due to path traversal vulnerabilities in f
CVE-2026-18887 6.5 MEDIUM IBM i is Affected By Sensitive Information Exposure Vulnerability in PASE []

Showing top 20 of 64 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: ContextForge MCP Gateway
Same vendor: IBM
Same weakness: CWE-918

V. Comments for CVE-2026-77822

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