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New tool mcp-tenant-isolation targets cross-tenant data leaks

A new static analysis tool, mcp-tenant-isolation, has been developed to address critical cross-tenant data leakage vulnerabilities in multi-tenant SaaS applications and MCP servers. Unlike traditional security scanners such as Snyk, Semgrep, and CodeQL, this tool specifically targets tenant isolation failures by employing 57 deterministic rules. It can be integrated into CI/CD pipelines via GitHub Actions and can also be utilized by AI agents like Claude Desktop and Cursor to scan codebases and provide remediation hints. AI

IMPACT Enhances security for multi-tenant applications by providing specialized detection for tenant isolation failures.

RANK_REASON The item describes a new software tool for detecting security vulnerabilities.

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New tool mcp-tenant-isolation targets cross-tenant data leaks

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  1. dev.to — MCP tag TIER_1 English(EN) · Subodh Kc ·

    How to Detect Cross-Tenant Data Leakage in MCP Servers and Multi-Tenant SaaS

    <h1> The Hidden Security Gap in Multi-Tenant MCP Servers </h1> <p>When you build a multi-tenant SaaS application or an MCP (Model Context Protocol) server that serves multiple organizations, <strong>cross-tenant data leakage</strong> is one of the most dangerous vulnerabilities y…