CVE-2026-13489

A weakness has been identified in 78 xiaozhi-esp32 up to 2.2.6. Affected by this issue is the function ParseMessage of the file main/mcpserver.cc of the component MCP Response Handler. This manipulation causes improper synchronization. Remote exploitation of the attack is possible. The attack's...

EUVD-2026-39989

A weakness has been identified in 78 xiaozhi-esp32 up to 2.2.6. Affected by this issue is the function ParseMessage of the file main/mcpserver.cc of the component MCP Response Handler. This manipulation causes improper synchronization. Remote exploitation of the attack is possible. The attack's...

CVE-2026-13489 78 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization

A weakness has been identified in 78 xiaozhi-esp32 up to 2.2.6. Affected by this issue is the function ParseMessage of the file main/mcpserver.cc of the component MCP Response Handler. This manipulation causes improper synchronization. Remote exploitation of the attack is possible. The attack's...

CVE-2026-13489 78 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization

A weakness has been identified in 78 xiaozhi-esp32 up to 2.2.6. Affected by this issue is the function ParseMessage of the file main/mcpserver.cc of the component MCP Response Handler. This manipulation causes improper synchronization. Remote exploitation of the attack is possible. The attack's...

CVE-2026-13489 78 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization

A weakness has been identified in 78 xiaozhi-esp32 up to 2.2.6. Affected by this issue is the function ParseMessage of the file main/mcpserver.cc of the component MCP Response Handler. This manipulation causes improper synchronization. Remote exploitation of the attack is possible. The attack's...

CVE-2026-58057

Flowise before 3.1.3 is affected: a case-sensitive denylist for Custom MCP stdio environment variables allows bypass on Windows (case-insensitive env names). An authenticated user who can configure a Custom MCP node can inject NODE_OPTIONS --require to execute arbitrary code in the Flowise server...

CVE-2026-58057 Flowise - Custom MCP Environment Variable Denylist Bypass via Case Sensitivity

Flowise before 3.1.3 validates Custom MCP stdio environment variables against a denylist using a case-sensitive comparison, so on Windows, where environment names are case-insensitive, supplying 'nodeoptions' bypasses the NODEOPTIONS denylist entry. An authenticated user who can configure a Custo...

CVE-2026-58057 Flowise - Custom MCP Environment Variable Denylist Bypass via Case Sensitivity

Flowise before 3.1.3 validates Custom MCP stdio environment variables against a denylist using a case-sensitive comparison, so on Windows, where environment names are case-insensitive, supplying 'nodeoptions' bypasses the NODEOPTIONS denylist entry. An authenticated user who can configure a Custo...

CVE-2026-58057 Flowise - Custom MCP Environment Variable Denylist Bypass via Case Sensitivity

Flowise before 3.1.3 validates Custom MCP stdio environment variables against a denylist using a case-sensitive comparison, so on Windows, where environment names are case-insensitive, supplying 'nodeoptions' bypasses the NODEOPTIONS denylist entry. An authenticated user who can configure a Custo...

CVE-2026-13489: Improper Synchronization

A weakness has been identified in 78 xiaozhi-esp32 up to 2.2.6. Affected by this issue is the function ParseMessage of the file main/mcpserver.cc of the component MCP Response Handler. This manipulation causes improper synchronization. Remote exploitation of the attack is possible. The attack's...

PT-2026-53089

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.3 Description An authenticated user can execute arbitrary code in the server context by configuring a Custom MCP node. The issue occurs because environment variables are validated against a denylist using a...

NPM: Streamable HTTP mode exposes LINE Desktop read/send tools without MCP authentication

NPM: Streamable HTTP mode exposes LINE Desktop read/send tools without MCP authentication vulnerability discovered by ? in WordPress Npm line-desktop-mcp versions = 1.1.1...

Missing Authorization

Overview line-desktop-mcp is a MCP Server for LINE Desktop Automation via GUI scripting Affected versions of this package are vulnerable to Missing Authorization in the --http-mode process. An attacker can access and control LINE Desktop read and send tools by sending requests to the /mcp endpoin...

Server-side Request Forgery (SSRF)

Overview @cardano402/mcp-server is a MCP server that exposes paid HTTP endpoints as MCP tools, paying via the x402 Cardano scheme. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through improper validation of catalog.server.url and insecure HTTP transport...

GHSA-73CV-556C-W3G6 mcp-pinot: Unauthenticated tool invocation via default oauth_enabled=False + host 0.0.0.0 bind

Resolution Fixed in v3.1.0, released 2026-05-25. The fix was merged in PR 95 at commit 1c7d3f9. The fix changes the default HTTP bind host to 127.0.0.1, refuses non-loopback HTTP/HTTPS exposure unless OAuth is enabled, makes Helm exposure opt-in and OAuth-gated, and adds parser-backed...

Missing Authentication for Critical Function

Overview mcp-pinot-server is an A production-grade MCP server for Apache Pinot Affected versions of this package are vulnerable to Missing Authentication for Critical Function due to the default configuration where authentication is disabled and the HTTP server binds to all network interfaces. An...

GHSA-2R68-G678-7QR3 mcp-memory-service: OAuth read-only clients can write and delete memories through MCP tools/call

Summary The HTTP MCP JSON-RPC endpoint at /mcp requires only OAuth read scope for all requests, then dispatches tools/call directly to handlers that include mutating tools. A read-only OAuth client can call storememory and deletememory through MCP even though the corresponding REST endpoints...

CVE-2026-48529

GitHub MCP Server is GitHub's official MCP Server. From 0.22.0 until 1.1.2, when running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from differe...

CVE-2026-48529 GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion

GitHub MCP Server is GitHub's official MCP Server. From 0.22.0 until 1.1.2, when running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from differe...

CVE-2026-4339

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...