{"schema_version":"1.9.2","id":"MAL-2026-18086","published":"2026-10-19T00:00:00Z","modified":"2026-10-29T14:45:05.993949432Z","summary":"Malicious code in tailwindcss-animatemotion (npm)","details":"tailwindcss-animatemotion (1.0.7) 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 doublekk61 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 (f1875d701acced7256cfa2d34bc1ced617af4ac7f4568414d547f8525e989e70)\nPackage tailwindcss-animatemotion@1.0.7 (npm) contains no observed behavior consistent with a supply-chain attack. No install-time or import-time network fetch-and-execute, no credential or environment-variable harvesting, no writes to installer secret paths, no lifecycle scripts performing privileged or destructive actions, and no hardcoded attacker-controlled endpoints were identified in the shipped files.\n","affected":[{"package":{"name":"tailwindcss-animatemotion","ecosystem":"npm","purl":"pkg:npm/tailwindcss-animatemotion"},"versions":["1.0.7"],"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":"tailwindcss-animatemotion-1.0.7.tgz","hashes":{"sha1":"ddfc08e02def7c343d82285445543a31b760eda6","sha512_sri":"sha512-9aYXOICzPCVLRuoSb4VVbiSohq0Pabez/Sx6vozNUhultmGCOE3afQGlVWcfUWFmNQIUjVu9zySC+ELRZ9ya/w=="}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/tailwindcss-animatemotion/MAL-2026-18086.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/tailwindcss-animatemotion/v/1.0.7"}],"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-2026-022386","import_time":"2026-10-29T14:37:06.705063583Z","modified_time":"2026-10-29T14:26:07Z","sha256":"f1875d701acced7256cfa2d34bc1ced617af4ac7f4568414d547f8525e989e70","source":"amazon-inspector","versions":["1.0.7"]}]},"credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"},{"name":"pkgwarden","contact":["https://pkgwarden.com"],"type":"FINDER"}]}