{"answers":{"affected":"1 open source package ship an affected version, including better-tailwindcss.","exploited":"There is no known exploitation of MAL-2026-10550 in the wild and no public exploit code.","fix":"Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.","what":"MAL-2026-10550 is a malicious package in better-tailwindcss, published on 14 Jul 2026."},"fix_prompt":"MAL-2026-10550 is a malicious package: better-tailwindcss (npm). Every version was published to cause harm.\n\nTask:\n1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.\n2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.\n3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.\n4. If the package is not used anywhere, say so and change nothing.\n\nReference: https://insights.sbomify.com/MAL-2026-10550/ (Markdown: https://insights.sbomify.com/MAL-2026-10550/index.md)","id":"MAL-2026-10550","markdown":"https://insights.sbomify.com/MAL-2026-10550/index.md","name":"MAL-2026-10550","record":{"aliases":["GHSA-w8pj-3w7c-464w"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"The package publishes under the name of the legitimate `better-tailwindcss` project but its package.json declares both a runtime and dev dependency on `better-tailwindcss` resolved from `http://pack.nppacks.com/npm/better-tailwindcss` — a plain-HTTP, non-registry host with no integrity hash and no TLS. On `npm install`, npm fetches and installs that arbitrary, mutable tarball, and any install/postinstall scripts inside it execute on the installer's machine. The shipped code itself is a Babel plugin clone unrelated to the real better-tailwindcss project (a tailwind ESLint plugin) and carries a self-label describing the package as being for 'Security Research Testing Purpose,' confirming it is a namespace squat used as a delivery vehicle for code hosted at pack.nppacks.com.","ecosystems":["npm"],"exploits":{"exploitdb":null,"first_seen":null,"github_poc":null,"max_poc_stars":null,"metasploit":null,"nuclei":null,"refs":[],"tier":null},"has_fix":false,"headline":"Malicious code in better-tailwindcss (npm)","id":"MAL-2026-10550","indexable":true,"kev":null,"kind":"malicious","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"npm","fixed":[],"introduced":[],"last_affected":[],"package":"better-tailwindcss","purl":"pkg:npm/better-tailwindcss","source":"MAL-2026-10550"}],"products":null,"published":"2026-07-14","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"OpenSSF Malicious Packages","prefix":"MAL"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":null,"updated":null,"vendors":null},"summary":null,"url":"https://insights.sbomify.com/MAL-2026-10550/"}