First reported projectblack.io
Lead dispatch
First reported checkmarx.com
MCP Config Poisoning: Text file to RCE - Checkmarx Zero
Checkmarx Zero researcher Bruno Dias details MCP Configuration Poisoning, an attack where a malicious or modified mcp.json file embeds attacker-controlled commands and arguments that AI tools and agents execute when loaded. The write-up demonstrates how a security scanner processing a poisoned MCP config can be turned into a trigger for Remote Code Execution (RCE), referencing a vulnerability in Snyk's agent scan.mcp-config-poisoning · tool-abuse · supply-chain · remote-code-execution
mcp · ai-agents · llm
Severity
0.75
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