registry / Malware / tailwind-fabric / 3.0.1

tailwind-fabric@3.0.1

A configurable, namespaced Animate.css integration for Tailwind CSS

OpenSSF/OSV Malicious Advisory

imported 3d ago · by OpenSSF/OSV

OpenSSF/OSV advisory MAL-2026-18082 confirms this npm version as malicious.

Advisory

MAL-2026-18082

Source

OpenSSF Malicious Packages via OSV

Summary

Malicious code in tailwind-fabric (npm)

Details

tailwind-fabric (3.0.1, 3.0.4) 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 johnxia1997 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.

References

OpenSSF/OSV advisory ADVISORY ADVISORY ADVISORY WEB

Independent LPM AI assessment

Manual Review

Independent AI assessment: manual_review. LPM AI review remains unresolved.

The inspected code supports ordinary CSS plugin behavior and shows no concrete attack. The declared runtime dependency’s source is unavailable, so the package cannot be cleared; manual review is appropriate.

Static reason

No blocking static signals were detected.

Trigger

Tailwind invokes the plugin to build styles.

Impact

The unresolved dependency prevents confirming the package’s complete runtime behavior.

Mechanism

Style generation calls the imported animation utility; its implementation could not be reviewed.

AI rationale

Evidence

package.jsonsrc/motion.jssrc/styles.js

Independent scan evidence

public snapshot

AI called this Manual Review at 88.0% confidence as Unknown with medium false-positive risk.

AI review observations

package.json declares the scoped animation utility as a runtime dependency; src/motion.js imports it and src/styles.js calls it while building styles.
The entrypoint registers a Tailwind plugin that builds and adds CSS base styles and utilities.
The imported dependency’s source could not be inspected in the supplied snapshot, so its runtime behavior remains unresolved.

Evidence against

The manifest has no install lifecycle hook; its scripts are for linting and tests.
The inspected package code builds CSS styles and utilities, with no identified network, credential, shell, or file mutation behavior.

Behavioral surface

Source

Filesystem

Supply chainNo supply-chain packaging signals triggered.

ManifestNo manifest risk signals triggered.

scanned 5 file(s), 10.1 KB of source

Source & flagged code

4 flagged

package.jsonView file

Lines 5-45json

5 "main": "plugin.js",

6 "exports": "./plugin.js",

7 "files": [

8 "plugin.js",

9 "src",

10 "README.md",

11 "LICENSE"

12 ],

13 "homepage": "https://EIIiechena.github.io/tailwind-fabric/",

14 "repository": "https://github.com/EIIiechena/tailwind-fabric/",

15 "author": "EIIiechena",

16 "license": "MIT",

17 "keywords": [

18 "tailwindcss",

19 "tailwindcss-plugin",

20 "animate.css",

21 "animation",

22 "keyframes",

23 "motion"

24 ],

25 "scripts": {

26 "lint": "eslint . --ext .js",

27 "test": "node --test"

28 },

29 "dependencies": {

30 "animate.css": "^4.1.1",

31 "postcss": "^8.4.5",

32 "@aaron205whitmore/postcss-animate-utils": "^1.0.1",

33 "postcss-js": "^3.0.3",

34 "postcss-selector-parser": "^6.0.8"

35 },

36 "devDependencies": {

High

Suspicious Dependency Evidence

package.json declares the scoped animation utility as a runtime dependency; src/motion.js imports it and src/styles.js calls it while building styles.

package.jsonView on unpkg · L25

37 "eslint": "^8.5.0",

38 "eslint-config-airbnb-base": "15.0.0",

39 "eslint-plugin-import": "^2.25.2",

40 "tailwindcss": "^3.0.7"

41 },

42 "peerDependencies": {

43 "tailwindcss": "^3"

44 },

45 "engines": {

src/motion.jsView file

Lines 1-23javascript

1'use strict';

3const postcss = require('postcss');

4const postcssJs = require('postcss-js');

5const

plugin.jsView file

Lines 1-22javascript

1'use strict';

3const tailwindPlugin = require('tailwindcss/plugin');

4const { loadCatalog } = require('./src/catalog');

5const {

src/styles.jsView file

Lines 44-84javascript

45function modifierUtilities(config) {

46 if (!config.modifiers) return {};

47 const prefix = `.${config.prefix}`

Source & flagged code

4 flagged · loading source

package.jsonView file

25"scripts": { "lint": "eslint . --ext .js", "test": "node --test" }, "dependencies": { "animate.css": "^4.1.1", "postcss": "^8.4.5", "@aaron205whitmore/postcss-animate-utils": "^1.0.1", "postcss-js": "^3.0.3", "postcss-selector-parser": "^6.0.8" }, "devDependencies": { "eslint": "^8.5.0", "e

High

Suspicious Dependency Evidence

package.json declares the scoped animation utility as a runtime dependency; src/motion.js imports it and src/styles.js calls it while building styles.

package.jsonView on unpkg · L25

src/motion.jsView file

3const postcss = require('postcss'); const postcssJs = require('postcss-js'); const postcssAnimateUtils = require('@aaron205whitmore/postcss-animate-utils'); function toPostcssOptions(config) { return { variables: { enabled: true, selector: ':root',

High

Suspicious Dependency Evidence

package.json declares the scoped animation utility as a runtime dependency; src/motion.js imports it and src/styles.js calls it while building styles.

src/motion.jsView on unpkg · L3

Findings

4 High2 Low

HighSuspicious Dependency Evidencepackage.json

HighSuspicious Dependency Evidencesrc/motion.js

HighAi Review Evidenceplugin.js

HighAi Review Evidencesrc/styles.js

LowScripts Present

LowFilesystem

Affected versions and remediation

This report applies to tailwind-fabric@3.0.1.

See all versions of tailwind-fabric for other recorded verdicts.

Avoid installing tailwind-fabric@3.0.1. Remove it from direct dependencies and check your lockfile for transitive copies.
Choose an independently verified alternative or release. This report does not establish that other versions are safe.
If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.

Evidence last updated: 2026-10-20 10:17:26.490Z (UTC).

Source advisory published: 2026-10-19 00:00:00.000Z (UTC).

Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.

OpenSSF/OSV Malicious Advisory

Independent LPM AI assessment

Independent scan evidence

Source & flagged code

Source & flagged code

Findings

Affected versions and remediation

Related packages

Other malware packages

Behavioral surface

Related packages

Other malware packages

Source & flagged code