{"data":{"id":"0a6d992e-8e0d-468f-bbdf-f9175cfa897d","title":"Top MCP security resources — November 2026","summary":"A web page can read every secret in a developer's environment through the MCP reference server @modelcontextprotocol/server-everything, which pairs wildcard CORS and no authentication with a get-env tool that returns all of process.env. In the MCP TypeScript server SDK, shared transports can deliver one HTTP client's messages to another, and FastMCP's OAuth client wrappers send a client secret to whatever authorization server an untrusted MCP server advertises.","solution":"The source states a fix only for the server-everything flaw: it is fixed in 2.0.1. No mitigation is given for the other flaws in the source text.","labels":["security","research"],"sourceUrl":"https://adversa.ai/blog/top-mcp-security-resources-november-2026/","publishedAt":"2026-11-09T06:50:00.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"medium","attackType":["prompt_injection","supply_chain"],"issueType":"news","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Anthropic"],"affectedVendorsRaw":["MCP","Model Context Protocol","Anthropic Git MCP Server","@modelcontextprotocol/server-everything","Envoy AI Gateway","Basic Memory","FastMCP"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-11-09T06:50:00.000Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity"],"aiComponentTargeted":"plugin","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":["AML.T0010","AML.T0051"]}}