CVE-2026-110195
IBM ContextForge MCP Gateway is affected by an authorization bypass 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.
INFO
Published Date :
Nov. 13, 2026, 10:17 p.m.
Last Modified :
Nov. 13, 2026, 10:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 9a959283-ebb5-44b6-b705-dcc2bbced522 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Update IBM ContextForge MCP Gateway to a patched version.
- Apply vendor-supplied security updates promptly.
- Monitor for security advisories from IBM.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-110195.
| URL | Resource |
|---|---|
| https://www.ibm.com/support/pages/node/7296695 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-110195 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-110195
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-110195 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-110195 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Nov. 13, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Added CWE CWE-287 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110195.json">CVE-2026-110195</a> Added Reference https://www.ibm.com/support/pages/node/7296695