Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%

Buy Us a Coffee

CVE-2026-110195— IBM ContextForge MCP Gateway is affected by an authorization bypass vulnerability

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 版本可能存在安全漏洞：由于 RFC 8693 令牌交换缓存中的缓存键定义不够具体，已认证的调用者可能绕过上游凭据级别的授权策略，从而能够跨同一用户下的不同凭据重用已缓存的上游 Bearer 令牌。

CVSS 5.4 · Medium EPSS 0.23% · P14 Updated Nov 15, 2026

Possible ATT&CK Techniques 2 AI

T1078 · Valid Accounts T1550.001 · Application Access Token

Affected Version Matrix 1

Vendor	Product	Version Range	Status
IBM	ContextForge MCP Gateway	`1.0.0≤ 1.0.11`	affected

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

IBM ContextForge MCP Gateway is affected by an authorization bypass vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow an authenticated caller to bypass upstream credential-level authorization policies due to an insufficiently specific cache key in the RFC 8693 token exchange cache, enabling reuse of cached upstream bearer tokens across different credentials belonging to the same user.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

认证机制不恰当

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-2026-110195

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-110195

请登录查看更多情报信息。

Other References for CVE-2026-110195 (1)

Security Bulletin: IBM ContextForge MCP Gateway is affected by an authorization bypass vulnerability vendor-advisory patch

https://www.cve.org/CVERecord?id=CVE-2026-110195

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-2026-110189	6.5 MEDIUM	IBM ContextForge MCP Gateway is affected by a denial of service due to an incomplete list
CVE-2026-94407	6.5 MEDIUM	IBM ContextForge MCP Gateway is affected by a regular expression denial of service
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-2026-9821	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-2026-110199	4.8 MEDIUM	IBM ContextForge MCP Gateway is affected by a DOM-based cross-site scripting
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-287