MAL-2026-6143 Malicious code in node-vfs-polyfill (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7fb213e524ed75dcb54961d6d2ee9431ea6a32f4fdcb9d777bc260102920d81b On install, postinstall.js executes automatically and exfiltrates host reconnaissance data to attacker-controlled subdomains on oastify.com Burp...

MAL-2026-6097 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...

MAL-2026-6091 Malicious code in datacamp-light (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4dbdcc4ef12aca6461f8e765976a7b2b33099a1791a7aee7e353371b7954a91c Package impersonates the DataCamp brand while shipping near-empty stub exports index.js init/helper return trivial constants. The postinstall lifecyc...

MAL-2026-6090 Malicious code in data-utils-bcf2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 52e6ddf4cbc1a035918a5bd136c865ff526f430db21268d75d3c90fa74196fdf The package declares a postinstall lifecycle hook "postinstall": "node run.js" in package.json that automatically executes run.js on install. run.js...

MAL-2026-6099 Malicious code in stream-read-35cf (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0597f71a1c39a743a4323636794601b480a1cda0c64df20d6bafa7ed601da84e Package declares a postinstall hook "postinstall": "node run.js" that auto-executes run.js on npm install. run.js imports os, fs, http, https, and...

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...

MAL-2026-6092 Malicious code in fmt-helpers-794b (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 19b05306978ff506805f118049f81c74c5da1503bb34fd14a2a57d4e6faac52c Package declares a postinstall lifecycle hook "postinstall": "node run.js" in package.json that runs run.js automatically on npm install. run.js...

MAL-2026-6101 Malicious code in type-check-816d (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6bd3f7912317a2b9465a4c22ea948951f70aaa8c0d12f152572d43febc5667dd The package declares a postinstall hook "postinstall": "node run.js" that runs run.js automatically on npm install. run.js imports os, https, http, a...

MAL-2026-6079 Malicious code in set-proto-chain (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector bdb11eef3afbfc268bd48a18737884246861c7ae9e6a3d29901ae1379216c633 lib/index.js contains a base64-encoded URL decoding to https://jsonkeeper.com/b/BN77K, an anonymous mutable paste host that is fetched via axios.get;...

Malicious code in opt-archetype-check (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6497b3f44c017bc9ba783cd75e17d4992f79542d8819558da92e152ee4d4471e On npm install, the package's postinstall hook executes node index.js, which collects the installer's public IP via api.ipify.org, hostname, username...

MAL-2026-6075 Malicious code in opt-archetype-check (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6497b3f44c017bc9ba783cd75e17d4992f79542d8819558da92e152ee4d4471e On npm install, the package's postinstall hook executes node index.js, which collects the installer's public IP via api.ipify.org, hostname, username...

MAL-2026-11204 Malicious code in nano-perf (npm)

Version 2.2.0 of nano-perf declares a postinstall script that automatically launches daemon.js as a detached, unreferenced process with ignored standard streams, allowing it to survive completion of npm install. The launcher reconstructs an obfuscated Supabase endpoint from Base64 fragments and...

Malicious code in nano-perf (npm)

Version 2.2.0 of nano-perf declares a postinstall script that automatically launches daemon.js as a detached, unreferenced process with ignored standard streams, allowing it to survive completion of npm install. The launcher reconstructs an obfuscated Supabase endpoint from Base64 fragments and...

Malicious code in redis-type-xyz (npm)

The redis-type-xyz package is an empty impersonation of Redis OM. It copies the redis-om-node repository, homepage, author, documentation, and declared dist/index.js entry point, but the published archive does not contain the declared dist directory or any usable implementation. Its dependency li...

MAL-2026-11205 Malicious code in redis-type-xyz (npm)

The redis-type-xyz package is an empty impersonation of Redis OM. It copies the redis-om-node repository, homepage, author, documentation, and declared dist/index.js entry point, but the published archive does not contain the declared dist directory or any usable implementation. Its dependency li...

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...