{"schema_version":"1.9.2","id":"MAL-2026-18076","published":"2026-10-19T00:00:00Z","modified":"2026-10-29T14:30:34.778241261Z","summary":"Malicious code in signalledger-diagnostics (npm)","details":"signalledger-diagnostics (2.0.6) is a Tailwind CSS plugin from the fake job interview campaign behind MAL-2026-17665 and MAL-2026-17666: the same Animate.css integration template, README and description, published by scott-rogers on 2026-09-28. src/motion.js:5 requires the private scoped package @aaron205whitmore/postcss-animate-utils, which is not readable on the public registry and resolves only with the npm token committed in the lure repository's web/.npmrc, so the code it delivers runs when tailwind.config.js loads the plugin and the dev server starts. The published tarball contains no install scripts and no network code; the payload lives in the private dependency, which was not retrieved. Twenty-six such packages under seventeen accounts were published between 2026-07-28 and 2026-10-09.\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (4af28bf310d9481492ae6083ba4c5c3d7e44c85f8b185fd18e44e923543ad20a)\nThe package contains 8 files with no a static rule matches and no traced install-time or import-time behavior indicating exfiltration, remote code execution, credential access, silent-relay, backdoor, or dependency-chain dropper patterns. No lifecycle-script or top-level module behavior of concern was identified in the shipped contents.\n","affected":[{"package":{"name":"signalledger-diagnostics","ecosystem":"npm","purl":"pkg:npm/signalledger-diagnostics"},"versions":["2.0.6"],"database_specific":{"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}],"indicators":{"package_integrity":[{"filename":"signalledger-diagnostics-2.0.6.tgz","hashes":{"sha1":"6ec83bb52f5ac68cd366c773f7833c6d013a705e","sha512_sri":"sha512-QWyRNREh8ccD+bvRCj3KrPsB9kDJesSQ5rFoWJZuBD9Pxl1oEkYH+cuL3HkZRakWxE9NM/mO4oy7gwO4/zrM2Q=="}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/signalledger-diagnostics/MAL-2026-18076.json"}}],"references":[{"type":"ADVISORY","url":"https://osv.dev/vulnerability/MAL-2026-17665"},{"type":"ADVISORY","url":"https://osv.dev/vulnerability/MAL-2026-17666"},{"type":"ADVISORY","url":"https://osv.dev/vulnerability/MAL-2026-17667"},{"type":"WEB","url":"https://pkgwarden.com/incidents/fake-interview-tailwind-plugins-npm-october-2026/"},{"type":"PACKAGE","url":"https://www.npmjs.com/package/signalledger-diagnostics/v/2.0.6"}],"database_specific":{"iocs":{"files":[{"note":"require of private scoped dependency @aaron205whitmore/postcss-animate-utils","paths":["src/motion.js"],"source":"PACKAGE_ARCHIVE"}]},"malicious-packages-origins":[{"id":"IN-MAL-2026-022261","import_time":"2026-10-29T14:14:38.357261182Z","modified_time":"2026-10-29T14:09:54Z","sha256":"4af28bf310d9481492ae6083ba4c5c3d7e44c85f8b185fd18e44e923543ad20a","source":"amazon-inspector","versions":["2.0.6"]}]},"credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"},{"name":"pkgwarden","contact":["https://pkgwarden.com"],"type":"FINDER"}]}