MCP Connect has unauthenticated remote OS command execution via /bridge endpoint

Summary When AUTHTOKEN and ACCESSTOKEN environment variables are not set which is the default out-of-the-box configuration the /bridge HTTP endpoint is completely unauthenticated. Any network-accessible caller can POST a request with an attacker-controlled serverPath and args payload, causing the...

GHSA-WVR4-3WQ4-GPC5 MCP Connect has unauthenticated remote OS command execution via /bridge endpoint

Summary When AUTHTOKEN and ACCESSTOKEN environment variables are not set which is the default out-of-the-box configuration the /bridge HTTP endpoint is completely unauthenticated. Any network-accessible caller can POST a request with an attacker-controlled serverPath and args payload, causing the...

PT-2026-28779

Summary When AUTH TOKEN and ACCESS TOKEN environment variables are not set which is the default out-of-the-box configuration the /bridge HTTP endpoint is completely unauthenticated. Any network-accessible caller can POST a request with an attacker-controlled serverPath and args payload, causing t...

PT-2026-26466

Name of the Vulnerable Software and Affected Versions Go MCP SDK versions prior to 1.4.1 Description The Go MCP SDK’s Streamable HTTP transport was susceptible to accepting browser-generated cross-site POST requests without validating the Origin header or requiring Content-Type: application/json...

SSRF in @aborruso/ckan-mcp-server via base_url allows access to internal networks

Summary The @aborruso/ckan-mcp-server MCP server provides tools including ckanpackagesearch and sparqlquery that accept a baseurl parameter, making HTTP requests to arbitrary endpoints without restriction. A CKAN portal client has no legitimate reason to contact cloud metadata or internal network...

Malicious code in @upstashed/context7-mcp (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 570280cb87bacfa8bbf1ce7b89fa14845c922e464e6964a22584d2e6ff2e197d The package @upstashed/context7-mcp was found to contain malicious code...

MAL-2026-1642 Malicious code in @upstashed/context7-mcp (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 570280cb87bacfa8bbf1ce7b89fa14845c922e464e6964a22584d2e6ff2e197d The package @upstashed/context7-mcp was found to contain malicious code...

PT-2026-96188

Name of the Vulnerable Software and Affected Versions @aborruso/ckan-mcp-server affected versions not specified Description Tools such as ckan package search, sparql query, and ckan datastore search sql accept a base url or server url parameter that allows making HTTP requests to arbitrary...

SSRF in @aborruso/ckan-mcp-server via base_url allows access to internal networks

The @aborruso/ckan-mcp-server MCP server provides tools including ckanpackagesearch and sparqlquery that accept a baseurl parameter, making HTTP requests to arbitrary endpoints without restriction. A CKAN portal client has no legitimate reason to contact cloud metadata or internal network service...

GHSA-2CPP-J2FC-QHP7 AWS API MCP File Access Restriction Bypass

Description The AWS API MCP Server is an open source Model Context Protocol MCP server that enables AI assistants to interact with AWS services and resources through AWS CLI commands. It provides programmatic access to manage your AWS infrastructure while maintaining proper security controls. Thi...

Arbitrary Command Injection

Overview kubectl-mcp-tool is an Alias package for kubectl-mcp-server use kubectl-mcp-server instead Affected versions of this package are vulnerable to Arbitrary Command Injection via the runkubectlcommand function in the minimalwrapper.py component. An attacker can execute arbitrary system...

EUVD-2025-208773

A command injection vulnerability in the minimalwrapper.py component of kubectl-mcp-server v1.2.0 allows attackers to execute arbitrary commands via injecting arbitrary shell metacharacters...

CVE-2025-69902

A command injection vulnerability in the minimalwrapper.py component of kubectl-mcp-server v1.2.0 allows attackers to execute arbitrary commands via injecting arbitrary shell metacharacters...

CVE-2025-69196 FastMCP OAuth Proxy token reuse across MCP servers

FastMCP is the standard framework for building MCP applications. Prior to version 2.14.2, the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for the MCP server, the token is issued for...

CVE-2025-69196 FastMCP OAuth Proxy token reuse across MCP servers

FastMCP is the standard framework for building MCP applications. Prior to version 2.14.2, the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for the MCP server, the token is issued for...

PYSEC-2026-162

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions = 0.2.14 and 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context. To...

Glances's REST/WebUI Lacks Host Validation and Remains Exposed to DNS Rebinding

Summary Glances recently added DNS rebinding protection for the MCP endpoint, but the main REST/WebUI FastAPI application still accepts arbitrary Host headers and does not apply TrustedHostMiddleware or an equivalent host allowlist. As a result, the REST API, WebUI, and token endpoint remain...

GHSA-HHCG-R27J-FHV9 Glances's REST/WebUI Lacks Host Validation and Remains Exposed to DNS Rebinding

Summary Glances recently added DNS rebinding protection for the MCP endpoint, but the main REST/WebUI FastAPI application still accepts arbitrary Host headers and does not apply TrustedHostMiddleware or an equivalent host allowlist. As a result, the REST API, WebUI, and token endpoint remain...

CVE-2026-4270

CVE-2026-4270 affects AWS API MCP Server (versions >= 0.2.14 and

CVE-2026-4270 AWS API MCP File Access Restriction Bypass

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions = 0.2.14 and 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context. To...