postmark-mcp
PulseAugur coverage of postmark-mcp — every cluster mentioning postmark-mcp across labs, papers, and developer communities, ranked by signal.
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Microsoft warns of AI agent data theft via poisoned tool descriptions
Microsoft has issued a warning about a security vulnerability in Model Context Protocol (MCP) tools, dubbed "MCP tool description poisoning." Attackers can embed hidden instructions within the natural-language metadata …
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Malicious MCP server highlights need for continuous trust checks; auth shifts to OAuth 2.1
A malicious package named postmark-mcp on npm, which allowed AI assistants to send emails, was discovered to have a hidden line of code that forwarded all outgoing emails to a stranger. This incident highlighted the cri…
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AI agent security threatened by third-party tools and shared infrastructure
The security of AI agents is compromised by the tools and sub-agents they interact with, as vulnerabilities in one can cascade through shared infrastructure. A key concern is that a tool approved at one point may become…