MAL-2026-6271 Malicious code in node-fetch-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 78aef0d64a7d761d2987d27aea462083425e5692475cd81332b7a3152c754308 On Windows, scripts/postinstall.js XOR-decodes a hardcoded C2 host node22.lunes.host:3258, authenticates with a 5-minute rolling HMAC-SHA256 token,...

MAL-2026-6259 Malicious code in respects-switch (npm)

respects-switch is a dependency confusion proof-of-concept package published to the public npm registry by the account r0binak and self-labeled "Security research PoC - Dependency Confusion Hunter". It was published at the artificially high version 999.0.0, the canonical floating-version bait use...

Malicious code in onboarding-respects-modal (npm)

onboarding-respects-modal is a dependency confusion proof-of-concept package published to the public npm registry by the account r0binak and self-labeled "Security research PoC - Dependency Confusion Hunter". It was published at the artificially high version 999.99.99, a floating-version bait use...

From package to postinstall payload: Inside the Mastra npm supply chain compromise by Sapphire Sleet

In this article 1. Attack chain overview 1. Discovery and initial indicators 2. Dependency injection: the poisoned package.json 3. Typosquat analysis: easy-day-js 4. Staged delivery pattern 5. Obfuscation and payload analysis 6. TLS bypass to self-deletion 7. Timeline analysis 2. Who is Sapphire...

145 Mastra npm Packages Compromised via Hijacked Contributor Account

As many as 145 npm packages associated with the Mastra namespace "@mastra/", a popular open-source JavaScript and TypeScript framework for building artificial intelligence AI applications, have been compromised as part of a software supply chain attack codenamed easy-day-js , per findings from...

Malicious code in metrics-probe-64b2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cae901b673ee21724897f69c782eb2808c55c2722bacc9912a4a3e60f7019883 package.json declares a postinstall hook "postinstall": "node run.js" that executes run.js automatically on every npm install. run.js imports os, fs,...

MAL-2026-5981 Malicious code in metrics-probe-64b2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cae901b673ee21724897f69c782eb2808c55c2722bacc9912a4a3e60f7019883 package.json declares a postinstall hook "postinstall": "node run.js" that executes run.js automatically on every npm install. run.js imports os, fs,...

Malicious code in metrics-probe-77d4 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1d079b30dbb30db1a61acddcd094d2e7e67e7ef466d624e4ad2392edc9d9203e On install, package.json runs postinstall: node run.js. run.js imports os, fs, http, https, and childprocess and at runtime collects host identifiers...

MAL-2026-5982 Malicious code in metrics-probe-77d4 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1d079b30dbb30db1a61acddcd094d2e7e67e7ef466d624e4ad2392edc9d9203e On install, package.json runs postinstall: node run.js. run.js imports os, fs, http, https, and childprocess and at runtime collects host identifiers...

Malicious code in pkg-telemetry-r4f9 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector decf727db779a7cc4017b0bd8000f9fb40bcc5c6d93b016144a94e245886ea4e On install, package.json's postinstall hook runs node run.js, which loads beacon scripts that combine childprocess, os, and http modules to collect...

MAL-2026-5990 Malicious code in pkg-telemetry-r4f9 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector decf727db779a7cc4017b0bd8000f9fb40bcc5c6d93b016144a94e245886ea4e On install, package.json's postinstall hook runs node run.js, which loads beacon scripts that combine childprocess, os, and http modules to collect...

MAL-2026-5992 Malicious code in runtime-metrics-w7k2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 9c2062a3f2564ced7261d9b8be8a49e11117bd74ffe3e92aad6029c471921e2d Package declares a postinstall hook "postinstall": "node run.js" that fires automatically on npm install. The tarball ships beacon scripts beacon18.j...

Malicious code in runtime-metrics-w7k2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 9c2062a3f2564ced7261d9b8be8a49e11117bd74ffe3e92aad6029c471921e2d Package declares a postinstall hook "postinstall": "node run.js" that fires automatically on npm install. The tarball ships beacon scripts beacon18.j...

Malicious code in npm-sandbox-ping-r9t2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 335649d395a44d7de1bc6343dbce1f0459414ef92ab149413a86b47e28f3c7c3 package.json declares a postinstall hook "postinstall": "node run.js" that auto-executes on install. The package ships beacon scripts beacon14.js,...

MAL-2026-5986 Malicious code in npm-sandbox-ping-r9t2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 335649d395a44d7de1bc6343dbce1f0459414ef92ab149413a86b47e28f3c7c3 package.json declares a postinstall hook "postinstall": "node run.js" that auto-executes on install. The package ships beacon scripts beacon14.js,...

Malicious code in react-hook-use-debounce-throttle-12 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b0a4d8a0470a3e7fcb2da7cdb29ba6412125924a486aa6f4a437ccfbeb5ca4af package.json declares a postinstall hook that runs node -e to issue an HTTPS request to the bare IP 8.140.205.78 on port 80 with all errors silently...

MAL-2026-5909 Malicious code in react-hook-use-debounce-throttle-12 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b0a4d8a0470a3e7fcb2da7cdb29ba6412125924a486aa6f4a437ccfbeb5ca4af package.json declares a postinstall hook that runs node -e to issue an HTTPS request to the bare IP 8.140.205.78 on port 80 with all errors silently...

Malicious code in vitest-pro (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 39810890a1ffc946b3da439738fb619eab1613a775a308d6f248b80b38ce5603 Package vitest-pro is a namespace-abuse lure: its name suggests a vitest extension, but its source tree, README, and main entry lib/nodemailer.js are...

MAL-2026-5862 Malicious code in vitest-pro (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 39810890a1ffc946b3da439738fb619eab1613a775a308d6f248b80b38ce5603 Package vitest-pro is a namespace-abuse lure: its name suggests a vitest extension, but its source tree, README, and main entry lib/nodemailer.js are...

Malicious code in carousel-controller-mixin (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c1a4b1be297682ca77d8a92fc502887ee6d718a5541fa88413acdc6accb3ed97 package.json declares both preinstall and postinstall hooks that execute callback.js on every install. callback.js collects username, uid, hostname,...