WS-2026-0038

mcpgateway.services.promptservice.PromptService renders user-supplied prompt templates using Jinja2 plain Environment instead of SandboxedEnvironment. An authenticated user with permission to register or update prompt templates can store a malicious template that, on subsequent rendering, execute...

mcp-contextforge-gateway has Server-Side Template Injection (SSTI) leading to Remote Code Execution in `PromptService._render_template` via unsandboxed Jinja2 Environment

Summary mcpgateway.services.promptservice.PromptService renders user-supplied prompt templates using Jinja2's plain Environment rather than SandboxedEnvironment. An authenticated user with permission to register or update prompt templates can store a malicious template that, on subsequent...

Improper Neutralization of Special Elements Used in a Template Engine

Overview mcp-contextforge-gateway is a ContextForge AI Gateway — an AI gateway, registry, and proxy for MCP, A2A, and REST/gRPC APIs. Exposes a unified control plane with centralized governance, discovery, and observability. Optimizes agent and tool calling, and supports plugins. Affected version...

GHSA-VWF3-4XXJ-QG6H mcp-contextforge-gateway has Server-Side Template Injection (SSTI) leading to Remote Code Execution in `PromptService._render_template` via unsandboxed Jinja2 Environment

Summary mcpgateway.services.promptservice.PromptService renders user-supplied prompt templates using Jinja2's plain Environment rather than SandboxedEnvironment. An authenticated user with permission to register or update prompt templates can store a malicious template that, on subsequent...

PT-2026-86297

Summary mcpgateway.services.prompt service.PromptService renders user-supplied prompt templates using Jinja2's plain Environment rather than SandboxedEnvironment. An authenticated user with permission to register or update prompt templates can store a malicious template that, on subsequent...