An Empirical Evaluation of Prompt Injection Vulnerabilities in Large Language Models across Multilingual and Obfuscated Attack Scenarios

Large Language Models LLMs have rapidly evolved, transforming industries by automating complex tasks and generating human-like content. However, as their adoption accelerates, prompt injection vulnerabilities have become increasingly apparent. Malicious actors exploit these weaknesses to generate...

Malicious code in react-editable-calendar (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ef4c5725bd98fb80c8dc59c58f68627b6a69aa4c4ae16d3f0c70c011895144cb package.json declares a preinstall hook node src/utils/index.d.js, but the published tarball's files whitelist ships only dist/, README.md, and LICEN...

Malicious code in express-initial (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a8d292a4664135ed1869f907d62fb6472839ab54a59aedb2f3a88022a0c70095 package.json declares "postinstall": "node index.js", so npm install express-initial automatically runs the package's main script. index.js is heavil...

MAL-2026-6543 Malicious code in express-initial (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a8d292a4664135ed1869f907d62fb6472839ab54a59aedb2f3a88022a0c70095 package.json declares "postinstall": "node index.js", so npm install express-initial automatically runs the package's main script. index.js is heavil...

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

--- -= Per source details. Do not edit below this line.=- 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-lin...

MAL-2026-6536 Malicious code in @krentzen/buffer-reverse (npm)

--- -= Per source details. Do not edit below this line.=- 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-lin...

MAL-2026-6532 Malicious code in chai-as-assured (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector bd28efd7a3d07f87ec22556cc25a8c07117fa4cdd237c6cb1db750c976a11836 chai-as-assured impersonates the popular chai-as-promised package matching README, author, and API surface. When the exported plugin function is...

Malicious code in inlifegram (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3975a0998bf76dddc25f0138b1d4b408bb06304b3203dc1e62e0110b2b56425f InLifeGram distributes a modified copy of the pyrogram Telegram client library and installs it into the top-level pyrogram import namespace, so impor...

Malicious code in openblox (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cdd874a78973f84b5373fc03a48472c338ca82ef0a258b7614f81a8359da1201 setup.py invokes GetGitCommitHash unconditionally at module top level, so it runs on pip install openblox and any setuptools invocation. On Windows t...

MAL-2026-6497 Malicious code in chai-as-synced (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector be17d22b28dc53ea46085190c1f5ff11ae16ce4b80539162d68c2ad2b224158e [email protected] impersonates the pino logger: it ships pino's README, LICENSE, docs/, index.d.ts and lib/ file layout proto.js, levels.js,...

Malicious code in animatecss-postcss-plugin (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6be12cec08d0999c157774b746c3e431825ae61635bb8ddddf36061d4602cec7 [email protected] ships a tiny PostCSS plugin factory whose body contains an obfuscator.io-style string-array + RC4 decoder functions...

MAL-2026-6495 Malicious code in animatecss-postcss-plugin (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6be12cec08d0999c157774b746c3e431825ae61635bb8ddddf36061d4602cec7 [email protected] ships a tiny PostCSS plugin factory whose body contains an obfuscator.io-style string-array + RC4 decoder functions...

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

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ab5ab5493acb5b3ffcab7f80dbdf34e1485bbe5d5d03978949199cdabf6f676a @help-forms/[email protected] ships a heavily obfuscated postinstall script scripts/postinstall.js, obfuscator.io fingerprints: rotated string...

MAL-2026-6494 Malicious code in @help-forms/application-aff (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ab5ab5493acb5b3ffcab7f80dbdf34e1485bbe5d5d03978949199cdabf6f676a @help-forms/[email protected] ships a heavily obfuscated postinstall script scripts/postinstall.js, obfuscator.io fingerprints: rotated string...

Photo ZIP campaign targeting hospitality industry delivers Node.js implant for persistent access

In this article 1. Attack chain overview 2. Mitigation and protection guidance 3. References 4. Learn more Microsoft Threat Intelligence has identified an active multi-stage intrusion campaign targeting organizations in the hospitality and hotel industry since April 2026. We’ve observed this...

Malicious code in runtimekit (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ffa393dec171ebd22b63776d7550006d3f9f60ad8726ce1153784080e9038acd lib/index.cjs and lib/index.mjs re-required from lib/readonly.cjs contain a self-executing IIFE that decodes two opaque strings via a custom shuffle...

Malicious code in typedecode (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 593662d3b4cda901642b713f419417807a33f3dca74e818f66e8d0cf9ebcf6e3 On require'typedecode' / import 'typedecode', the bundled dist/index.cjs and dist/index.js execute an obfuscated import-time payload. A bootstrap.js...

Malicious code in textshape-css (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4e596e1ea1365aadfa6c75047b664bb41b29b60828595b9271d4c2c217476b60 The package presents itself as a Tailwind CSS typography plugin its name, description, and source tree clone @tailwindcss/typography, but src/index.j...

MAL-2026-6471 Malicious code in tailwind-color-shades (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector dfd681005962f5628f4394450bae9430992e58159e3256bb4af2bc156c5c1fc5 The package's documented entry point index.ts begins with import './src/bootstrap';, which causes src/bootstrap.js to run whenever the module is...

MAL-2026-6472 Malicious code in tailwindcss-effector (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4780f88b1924c1d5104a4ea18803a0180e9339e5c9a9bf787f9ed4901e1729e3 src/index.js appends a heavily obfuscated async IIFE after a legitimate-looking TailwindCSS plugin. On import, the IIFE issues HTTPS requests to remo...