MAL-2026-5261

    Dashboard / Malicious Package / MAL-2026-5261

    MAL-2026-5261

    Published: 5 Jun 2026Last Modified: 8 Jul 2026

    Summary: Malicious code in mountly-tailwind (npm)

    Details: Source: amazon-inspector (e398eaa72f57a4536d3bb3c64f27de01f4a1d91cf64c65f10b8949dcfb4cfb91) The package was found to contain malicious code or consuming dependency that contains malicious code Source: google-open-source-security (a6c7977dbc054cdb7fe56da0d2fbd26e2a6fed695deb4263ccbf4adfedd86acb) The Miasma malware is a self-propagating worm that spreads across the npm registry by abusing weaponized `binding.gyp` files to achieve execution during package installation, bypassing security tools that only inspect package lifecycle scripts. Upon execution, the malware attempts to exfiltrate credentials and OIDC tokens for various cloud and registry services, and propagates by compromising other packages managed by the stolen accounts or committing backdoor files to GitHub repositories.

    References: https://www.endorlabs.com/learn/malicious-payload-in-ai-sdk-ollama-npm-package, https://www.stepsecurity.io/blog/binding-gyp-npm-supply-chain-attack-spreads-like-worm, https://www.npmjs.com/package/mountly-tailwind/v/0.1.3

    Affected packages

    Package

    Name: mountly-tailwind

    Purl: pkg:npm/mountly-tailwind

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    0.1.3
    MAL-2026-5261 | CVE-DB