{"schema_version":"1.9.2","id":"MAL-2026-18081","published":"2026-10-19T00:00:00Z","modified":"2026-10-29T14:45:07.358132570Z","summary":"Malicious code in tailwind-css-keyframes (npm)","details":"tailwind-css-keyframes (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 kinsley_badu on 2026-09-28. src/motion.js:5 requires the private scoped package @jasperquinn/postcss-motion-helpers, 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 (e859eaecef067fc4ab7faa25927f15ed5158be6f58103f6aea3f151e4ebd9e78)\nThe package contains no behavior indicative of a supply-chain attack against installers. No install-time or import-time network fetches, credential access, environment scraping, or code execution paths were observed. No lifecycle scripts, hardcoded external endpoints, or obfuscated payloads are present.\n","affected":[{"package":{"name":"tailwind-css-keyframes","ecosystem":"npm","purl":"pkg:npm/tailwind-css-keyframes"},"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":"tailwind-css-keyframes-1.0.7.tgz","hashes":{"sha1":"090f5a2b46da2809429d894c2207bfa36f6823ae","sha512_sri":"sha512-MQJhjbhRCNwdI9Dk99RU1EBopWgtxia9CBXAo8cXlGl2uxl6aIfRe5EeBlKdVeTPKUpYcq7R5i+UqDL08d3ZXQ=="}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/tailwind-css-keyframes/MAL-2026-18081.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/tailwind-css-keyframes/v/1.0.7"}],"database_specific":{"iocs":{"files":[{"note":"require of private scoped dependency @jasperquinn/postcss-motion-helpers","paths":["src/motion.js"],"source":"PACKAGE_ARCHIVE"}]},"malicious-packages-origins":[{"id":"IN-MAL-2026-022378","import_time":"2026-10-29T14:37:06.383980211Z","modified_time":"2026-10-29T14:25:07Z","sha256":"e859eaecef067fc4ab7faa25927f15ed5158be6f58103f6aea3f151e4ebd9e78","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"}]}