Malicious code in arnext (npm)

Source: amazon-inspector 9d689a27b5cc929562b684a7181549d3770de331a9f57120881d8060294b6e5f package.json declares "preinstall": "./vendor/setup", which runs a 976,568-byte Linux ELF binary on every npm install. The package's stated purpose is a small React/Next.js Arweave routing helper...

Malicious code in codebuff-cli (npm)

Source: amazon-inspector bdf777f03e4dc44a9956401136a42f099638025ef7d2197dec630525ad26727d The package name codebuff-cli impersonates the legitimate codebuff npm package; the README is copy-pasted from the official CodebuffAI project it even instructs users to run npm install -g codebuff, but the...

Malicious code in idlidosa (npm)

Source: amazon-inspector 5c6cba2c58d95d705af7dc5bb1c630129127835fb1ef15d4ccf43ec2818bf632 The package is purpose-built tooling to defeat exam-proctoring / lockdown software, with multiple installer-machine integrity harms triggered when the user runs the documented idlidosa start command: 1. Bina...

Malicious code in binproto (npm)

Source: amazon-inspector 1bbe88a299e58c31b71b346733abb6684ce1a1e8e68fad118eca48a53a2b15a3 On any call to the exported pack function, index.js downloads a platform-specific binary from https://wotann-dktl.vercel.app/service/assets/fetchBinary or fetchLinuxBinary and writes it to...

Malicious code in proto-bin (npm)

Source: amazon-inspector 1994859460fe293cad87eadf5c704e5c717c71deaaf54842f5e29fce765f99d5 Package is advertised as a prototype utilities library pack/unpack/checksum but its exported pack function calls an internal fetch that downloads a platform-specific binary from...

Malicious code in @hotcappuccino/nodepull (npm)

Source: amazon-inspector 42e9bbd7a5cb25d0863ef140b42a7ab2abec1e921e18669eef3f07a91c3d6d99 @hotcappuccino/[email protected] ships a single index.js the package's declared main that is wrapped in an obfuscator.io string-array + RC4-encrypted-string scheme. At top level — fires on every...

Malicious code in agentsync-pkg (npm)

Source: amazon-inspector b383c760dffae4a26d7f94b433bbe00dedb2426b23f4713610d6f5f36c594cf1 On every import / require'agentsync-pkg', src/index.js line 152 resolves bin/native/parser.node and calls require on it: const p = r'path'.join...,'bin','native','parser.node'; if r'fs'.existsSyncp try rp;...

Malicious code in @help-forms/application-aff (npm)

Source: amazon-inspector ab5ab5493acb5b3ffcab7f80dbdf34e1485bbe5d5d03978949199cdabf6f676a @help-forms/[email protected] ships a heavily obfuscated postinstall script scripts/postinstall.js, obfuscator.io fingerprints: rotated string array, base64+decodeURIComponent decoder, hex-named...

Malicious code in disksweep (npm)

Source: amazon-inspector 31a2c10aba7f3468458529214868e2d8acd9717eb7985c47ab10cf4aed64f87c The package ships a 2.9 MB Windows PE32+ executable at bin/native/parser.node sha256 b1aace6c70312a39ca39e6bba1d9abc6aaf9b23171089b1a548adc89f67f83c3 that is not mentioned in the README or CHANGELOG...

Malicious code in @krentzen/buffer-reverse (npm)

Source: amazon-inspector 7b7fccd6dbb7ba8a92be0bcbb002f92c43ff0c5e4bb82666589834a7be69e6bf @krentzen/buffer-reverse impersonates the well-known buffer-reverse package it copies the legitimate author, repo URL, README, and the genuine 10-line reverse function at the top of index.js as a cover story...

Malicious code in @equansservices/setup (npm)

Source: amazon-inspector b071598889a04c74a8398157555ccfffda5bbc713429df4cafbcf48df7f811af package.json declares a postinstall hook node setup.js that fires automatically on npm install. setup.js selects a platform-specific target and fetches an archive over plain HTTP from...

Malicious code in @gleamkit/ws (npm)

Source: amazon-inspector 8fc9213fe9e786988b3fd882b571f03aeaa1487b8006badb837b4e804da66eee The package publishes under scope @gleamkit/ws while copying the ws package's description, homepage, repository, author, and README verbatim, and bundling the legitimate ws source so it appears functional...

Malicious code in macos-ci-utils (npm)

Source: amazon-inspector 8f342b002e02396d7f82ee89e77140204c35b673411afd05bc1b3ca91c895a06 On first require of the package, index.js decodes a base64-encoded URL https://api.ingress-hub.com/cdn/assets/update.pkg and downloads the response to /Library/Application Support/.nodecache/.runtime, chmods...

DEBIAN-CVE-2026-55737

Signed to Unsigned Conversion Error and Out-of-bounds Write vulnerability in Erlang OTP erts allows an attacker who can supply a crafted Erlang external term format ETF binary to binarytoterm/1 to corrupt the BEAM heap pointer and crash the virtual machine. When decoding a LARGETUPLEEXT term, the...

CVE-2026-55737

Signed to Unsigned Conversion Error and Out-of-bounds Write vulnerability in Erlang OTP erts allows an attacker who can supply a crafted Erlang external term format ETF binary to binarytoterm/1 to corrupt the BEAM heap pointer and crash the virtual machine. When decoding a LARGETUPLEEXT term, the...

CVE-2026-54890

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-54890

CVE-2026-54890 describes an Integer Underflow in the BEAM VM’s ETF decoder: the BIT_BINARY_EXT (tag 77) handler accepts an encoding with length and trailing-bits both zero, causing the bitstring size calculation to underflow and produce a ~2^64 value, which is then used as a memory allocation siz...

CVE-2026-54890

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-54890 BEAM VM crash via integer underflow in binary_to_term BIT_BINARY_EXT decoding

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-54890 BEAM VM crash via integer underflow in binary_to_term BIT_BINARY_EXT decoding

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...