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Securing MCP: a defense-first architecture guide

christian-schneider.net · published 12 February 2026

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https://www.elastic.co/security-labs/mcp-tools-attack-defense-recommendations

elastic.co

https://modelcontextprotocol.io/specification/draft/basic/security_best_practices

modelcontextprotocol.io

https://owasp.org/www-project-mcp-top-10/

owasp.org

https://modelcontextprotocol.io/specification/2025-06-18/basic/authorization

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https://datatracker.ietf.org/doc/html/rfc8693

datatracker.ietf.org

New Prompt Injection Attack Vectors Through MCP Sampling Read at the source ↗

unit42.paloaltonetworks.com

https://www.cyberark.com/resources/threat-research-blog/poison-everywhere-no-output-from-your-mcp-server-is-safe

cyberark.com

Threat modeling agentic AI: a scenario-driven approach Read at the source ↗

christian-schneider.net

https://research.checkpoint.com/2026/rce-and-api-token-exfiltration-through-claude-code-project-files-cve-2025-59536/

research.checkpoint.com

https://cymulate.com/blog/cve-2025-53109-53110-escaperoute-anthropic/

cymulate.com

https://www.catonetworks.com/blog/curxecute-rce/

catonetworks.com

https://www.redhat.com/en/blog/mcp-security-current-situation

redhat.com

https://cheatsheetseries.owasp.org/cheatsheets/MCP_Security_Cheat_Sheet.html

cheatsheetseries.owasp.org

https://invariantlabs.ai/blog/mcp-github-vulnerability

invariantlabs.ai

https://firecracker-microvm.github.io/

firecracker-microvm.github.io

https://katacontainers.io/

katacontainers.io

https://datatracker.ietf.org/doc/html/rfc8707

datatracker.ietf.org

https://specifications.freedesktop.org/secret-service/latest/

specifications.freedesktop.org

https://arxiv.org/abs/2506.01333v1

arxiv.org

https://github.com/invariantlabs-ai/mcp-scan

github.com

https://datatracker.ietf.org/doc/draft-sharif-mcps-secure-mcp/

datatracker.ietf.org

https://nvd.nist.gov/vuln/detail/CVE-2026-27826

nvd.nist.gov

https://github.com/sooperset/mcp-atlassian

github.com

https://nvd.nist.gov/vuln/detail/CVE-2026-27825

nvd.nist.gov

Dependency cooldowns: a simple supply chain fix Read at the source ↗

christian-schneider.net

https://vulnerablemcp.info

vulnerablemcp.info

https://christian-schneider.net/slides/Coding-Agent-Security-Cheat-Sheet.pdf

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