MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Unauthenticated SQL Execution (DNS Rebinding / Direct Exposure)

SummaryIn SSE/HTTP transport mode, mysqlmcpserver constructs SseServerTransport without passing securitysettings. As a result, the MCP Python SDK's DNS-rebinding protection Origin/Host header validation is disabled; the Starlette application has no CORS or TrustedHost middleware; and the service...

CVE-2026-59971

MySQL MCP Server is a Model Context Protocol server that enables secure interaction with MySQL databases. Prior to 0.4.2, setting MCPTRANSPORT=sse causes src/mysqlmcpserver/server.py to construct SseServerTransport without securitysettings or enablednsrebindingprotection, while the Starlette rout...

CVE-2026-59971 MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Unauthenticated SQL Execution (DNS Rebinding / Direct Exposure)

MySQL MCP Server is a Model Context Protocol server that enables secure interaction with MySQL databases. Prior to 0.4.2, setting MCPTRANSPORT=sse causes src/mysqlmcpserver/server.py to construct SseServerTransport without securitysettings or enablednsrebindingprotection, while the Starlette rout...

CVE-2026-59971 MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Unauthenticated SQL Execution (DNS Rebinding / Direct Exposure)

MySQL MCP Server is a Model Context Protocol server that enables secure interaction with MySQL databases. Prior to 0.4.2, setting MCPTRANSPORT=sse causes src/mysqlmcpserver/server.py to construct SseServerTransport without securitysettings or enablednsrebindingprotection, while the Starlette rout...

CVE-2026-59971

CVE-2026-59971 is a CRITICAL (CVSS 10.0) vulnerability in MySQL MCP Server (designcomputer/mysql_mcp_server) prior to version 0.4.2 . When MCP_TRANSPORT=sse is set, the server constructs SseServerTransport without enabling DNS-rebinding protection, exposes unauthenticated Starlette routes (/, /ss...

EUVD-2026-78580

MySQL MCP Server is a Model Context Protocol server that enables secure interaction with MySQL databases. Prior to 0.4.2, setting MCPTRANSPORT=sse causes src/mysqlmcpserver/server.py to construct SseServerTransport without securitysettings or enablednsrebindingprotection, while the Starlette rout...

CVE-2026-59971 MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Unauthenticated SQL Execution (DNS Rebinding / Direct Exposure)

MySQL MCP Server is a Model Context Protocol server that enables secure interaction with MySQL databases. Prior to 0.4.2, setting MCPTRANSPORT=sse causes src/mysqlmcpserver/server.py to construct SseServerTransport without securitysettings or enablednsrebindingprotection, while the Starlette rout...

CVE-2026-59971: Missing Authentication for Critical Function

MySQL MCP Server is a Model Context Protocol server that enables secure interaction with MySQL databases. Prior to 0.4.2, setting MCPTRANSPORT=sse causes src/mysqlmcpserver/server.py to construct SseServerTransport without securitysettings or enablednsrebindingprotection, while the Starlette rout...

MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Unauthenticated SQL Execution (DNS Rebinding / Direct Exposure)

Summary In SSE/HTTP transport mode, mysqlmcpserver constructs SseServerTransport without passing securitysettings. As a result, the MCP Python SDK's DNS-rebinding protection Origin/Host header validation is disabled; the Starlette application has no CORS or TrustedHost middleware; and the service...

GHSA-RQFV-2MW9-78G2 MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Unauthenticated SQL Execution (DNS Rebinding / Direct Exposure)

Summary In SSE/HTTP transport mode, mysqlmcpserver constructs SseServerTransport without passing securitysettings. As a result, the MCP Python SDK's DNS-rebinding protection Origin/Host header validation is disabled; the Starlette application has no CORS or TrustedHost middleware; and the service...

PT-2026-90533

Name of the Vulnerable Software and Affected Versions MySQL MCP Server versions prior to 0.4.2 Description When the MCP TRANSPORT variable is set to sse, the server constructs SseServerTransport without security settings or DNS-rebinding protection. This configuration leaves the Starlette...

Incomplete List of Disallowed Inputs

Overview awslabs.mysql-mcp-server is an An AWS Labs Model Context Protocol MCP server for mysql Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs via the mutable SQL detector component when processing SQL inline comments that the regex engine does not...

CVE-2026-85788

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

CVE-2026-85788 Incomplete list of disallowed inputs in awslabs mysql-mcp-server

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

EUVD-2026-75104

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

CVE-2026-85788

CVE-2026-85788 affects the mutable SQL detector component in Amazon awslabs mysql-mcp-server . An incomplete list of disallowed inputs allows context-dependent actors to bypass the read-only enforcement gate by crafting SQL inline comments that the regex engine does not treat as whitespace, reach...

CVE-2026-85788 Incomplete list of disallowed inputs in awslabs mysql-mcp-server

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

CVE-2026-85788: Incomplete List of Disallowed Inputs

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

PT-2026-89106

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

MySQL MCP Server is Vulnerable to SQL Injection Through its mysql URI Handler

A vulnerability was determined in designcomputer mysql-mcp-server up to 0.2.2. The impacted element is the function readresource of the file src/mysqlmcpserver/server.py of the component mysql URI Handler. This manipulation of the argument uristr causes sql injection. Remote exploitation of the...