MAL-2026-6141 Malicious code in clx-cookie-signature (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 9e0e91601d276764067b1b209efd17a1f59ef03ff4fc814bcb22c495f4a0f9b3 Package impersonates the popular cookie-signature library copying its README, author field 'TJ Holowaychuk ', and sign/unsign API, but index.js adds ...

Malicious code in clx-cookie-signature (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 9e0e91601d276764067b1b209efd17a1f59ef03ff4fc814bcb22c495f4a0f9b3 Package impersonates the popular cookie-signature library copying its README, author field 'TJ Holowaychuk ', and sign/unsign API, but index.js adds ...

MAL-2026-6140 Malicious code in @httpactions/strict-uri-encode (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b90fd30f5d52b139ea7be77aa1782a5339f39355ec7ad532af2fa7a49616ff88 @httpactions/strict-uri-encode impersonates the popular unscoped npm package 'strict-uri-encode' 30M weekly downloads by republishing the same name...

MAL-2026-6139 Malicious code in @httpactions/encode-url (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 2e52b15ad9413185c30f84ad7e11e031c74c359e04f5c30ce502b8bc73267d8e The package ships a single heavily obfuscated index.js that performs no URL-encoding work despite the package name. On require of the declared main,...

MAL-2026-6121 Malicious code in @gbrlxvi/ts-project-lint (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 09e070ea98f9c48e77b964b3dacd4d3e7cbd82cf896fc6140ec4c390438debc8 The package's main module index.js also loaded indirectly by bin/cli.js reads a hidden binary file lib/.perf.dat, AES-256-CBC-decrypts it with a...

Malicious code in roblox-api-client (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 06fae89087d7a50d6397199d5fe1d5fc925c7c353e72a7f8a84e9aeca08224e6 On npm install, postinstall.js fetches http://betterminecraft.fun/nettspend.bat over plain HTTP, writes it to the OS temp directory, and executes it...

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...

Malicious code in boardflow (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7a7f48df7609edb5bab9d9e572f093994d071165578a58032a69392d62b08b86 On pip install boardflow, setup.py spawns a background thread that fetches http://pooron.org/test.exe over plain HTTP into the OS temp directory and...

MAL-2026-6080 Malicious code in boardflow (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7a7f48df7609edb5bab9d9e572f093994d071165578a58032a69392d62b08b86 On pip install boardflow, setup.py spawns a background thread that fetches http://pooron.org/test.exe over plain HTTP into the OS temp directory and...

MAL-2026-6066 Malicious code in quirky-token (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b263413912feb72882ee0b52e7025c636ed98472ba90e6db4714b3b111b4e2e8 The package is advertised as an SVG sanitizer but exposes an undocumented getPlugin export whose returned function fetches JSON from...

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 params-valid-js (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 397af72237ba3626ac4727497662530f602c2ce6ec71406f48b508055687366c The package presents itself as 'Simplified HTTP request client' and copies identity metadata from Mikeal Rogers' legitimate request package bugs URL...

MAL-2026-5973 Malicious code in classbreeze-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e19daf4f946816f5ba3c6e592eacc980861b281c6752b738de57fdd31f49279d The package masquerades as a Tailwind plugin: README and the top of src/index.js are a verbatim clone of @tailwindcss/typography...

Malicious code in classbreeze-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e19daf4f946816f5ba3c6e592eacc980861b281c6752b738de57fdd31f49279d The package masquerades as a Tailwind plugin: README and the top of src/index.js are a verbatim clone of @tailwindcss/typography...

MAL-2026-5930 Malicious code in bubblestr (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7831cb93037b6f364e2174f6d4fb64b38bac958e54f3653b8a70810681972172 package.json declares "postinstall": "node index.js", and index.js is a heavily obfuscated single-file script RC4+base64 string-array with rotating...

Malicious code in bubblestr (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7831cb93037b6f364e2174f6d4fb64b38bac958e54f3653b8a70810681972172 package.json declares "postinstall": "node index.js", and index.js is a heavily obfuscated single-file script RC4+base64 string-array with rotating...

Malicious code in vite-config-field (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8e5dabbc9cf746e153391fbe76f4dc54f9bccb9f7fd467d5b80d07c84ab1fb58 [email protected] impersonates the legitimate vite-plugin-pwa package README copies its banner/badges, funding field points at antfu's GitHub...

Malicious code in ssr-auth-sync (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7fe43338279cb894ffacc18ef9ec757d4b4fa8b603672b0bedcb4c00d9f8a806 On require'ssr-auth-sync', index.js loads lib/writer.js, which immediately fetches a base64-hidden URL https://www.jsonkeeper.com/b/PJNZP, an anonymo...

Malicious code in package-uploader (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 69b86134d9cd019c2d8ad172eed54cd4a48839d69ed2c6af52b79ef5080da765 [email protected] ships an install-hook.js that runs automatically as the npm postinstall script package.json declares "postinstall": "node...

MAL-2026-5932 Malicious code in package-uploader (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 69b86134d9cd019c2d8ad172eed54cd4a48839d69ed2c6af52b79ef5080da765 [email protected] ships an install-hook.js that runs automatically as the npm postinstall script package.json declares "postinstall": "node...