Is tailwindcss 1.1 vulnerable?

npm · 5 releases from 1.1.0 to 1.1.4 · latest tailwindcss is 4.3.3 · checked 1 Nov 2026

No known advisories in the last release

No. No tailwindcss 1.1.x release has a known security advisory.

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Which of your client projects are still on tailwindcss 1.1?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact tailwindcss version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

Scan a project free, no signupOr connect GitHub to scan every repo

Other tailwindcss versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the npm registry. Refreshed daily.