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Beginning Message Context Protocol (MCP): Attacking and Defending MCP

securitynik.com · published 8 April 2026

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

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https://github.com/SecurityNik/MCP-Stuff

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https://smallake.kr/wp-content/uploads/2025/12/Agent-Tools-Interoperability-with-Model-Context-Protocol-MCP.pdf

smallake.kr

https://modelcontextprotocol.io/docs/tutorials/security/authorization

modelcontextprotocol.io

https://modelcontextprotocol.io/docs/tutorials/security/security_best_practices

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https://www.beyondtrust.com/blog/entry/confused-deputy-problem

beyondtrust.com

https://docs.aws.amazon.com/IAM/latest/UserGuide/confused-deputy.html

docs.aws.amazon.com

https://builder.aws.com/content/2sxPS3NJrto6MPqw7cRhpI19oYw/the-confused-deputy-problem-a-quick-primer

builder.aws.com

https://dl.acm.org/doi/epdf/10.1145/54289.871709

dl.acm.org

https://workos.com/blog/mcp-security-risks-best-practices

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https://invariantlabs.ai/blog/whatsapp-mcp-exploited

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https://github.com/lharries/whatsapp-mcp

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https://invariantlabs.ai/blog/mcp-security-notification-tool-poisoning-attacks

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https://stytch.com/blog/mcp-security/

stytch.com

https://blog.trailofbits.com/2025/04/21/jumping-the-line-how-mcp-servers-can-attack-you-before-you-ever-use-them/

blog.trailofbits.com

https://github.com/modelcontextprotocol/modelcontextprotocol/pull/284

github.com

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

cyberark.com

https://www.docker.com/blog/mcp-security-issues-threatening-ai-infrastructure/

docker.com

https://www.docker.com/blog/mcp-horror-stories-the-supply-chain-attack/

docker.com

https://www.docker.com/blog/mcp-horror-stories-github-prompt-injection/

docker.com

https://arxiv.org/pdf/2302.12173

arxiv.org

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

elastic.co

https://www.prompthub.us/blog/mcp-security-in-2025

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https://arxiv.org/pdf/2506.13538

arxiv.org

https://equixly.com/blog/2025/03/29/mcp-server-new-security-nightmare/

equixly.com

Beginning Message Context Protocol (MCP): But what is MCP? Read at the source ↗

securitynik.com

Beginning Message Context Protocol (MCP): MCP Security Read at the source ↗

securitynik.com