First reported github.com
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First reported · updated · 2 reports howtoharden.com
Cursor Hardening Guide | How to Harden
The How to Harden Cursor guide provides a set of runnable hardening scripts (published in the grcengineering/how-to-harden GitHub repo) to secure the Cursor agentic coding IDE, covering privacy mode, .cursorignore templates, API key rotation, MCP server auditing, agent settings, rules-file auditing, workspace trust, extension auditing, telemetry, and network allowlisting. The guidance references known Cursor risks such as prompt injection, over-permissioned agent actions, and MCP-related CVEs (e.g., CVE-2025-54135/CurXecute and CVE-2025-54136/MCPoison). Details →First reported freyzo.github.io
deep-xpia - multi-hop cross-prompt injection benchmark
deep-xpia is a benchmark of multi-hop cross-prompt injection (DXPIA) across delegated agent boundaries, with 300 live-measured cases and 8 attack patterns showing 69% land undefended and 12% even with all defenses. It highlights registry injection at tool-discovery (DXPIA-008) entering upstream of all 5 stacked defenses and maps patterns to documented Copilot incidents like EchoLeak. Details →How the wire is made
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