National Cyber Warfare Foundation (NCWF)

Malicious Code in Fake Postmark MCP Server Steals Thousands of Emails


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2025-09-30 07:38:58
milo
Red Team (CNA)

A newly discovered attack on the npm ecosystem has exposed a deceptive backdoor embedded in a malicious package impersonating Postmark. The package, named postmark-mcp, quietly siphoned off thousands of emails from unsuspecting developers and organizations, all with just one line of code. Over the course of 15 incremental releases, the threat actor behind postmark-mcp built […]


The post Malicious Code in Fake Postmark MCP Server Steals Thousands of Emails appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.



Mayura Kathir

Source: gbHackers
Source Link: https://gbhackers.com/fake-postmark-mcp-server/


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