StackPrism

Frontend framework

Tailwind CSS: supported versions and open vulnerabilities today

Tailwind CSS 4.3 and 3.4 are supported (3.4 until Feb 28, 2027); 4.2 reached end of life on May 8, 2026; the latest release is 4.3.3. No advisories for Tailwind CSS were published in the last 12 months.

Last checked against endoflife.date, npm, OSV.dev and deps.dev.

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Latest release
4.3.3
npm downloads last week
137.3M
GitHub stars
97.9k
Licence
MIT
OpenSSF Scorecard
6.7 / 10

Supported versions

Data: endoflife.date
Tailwind CSS release lines and security support dates from endoflife.date
VersionSecurity supportLatestReleased
Tailwind CSS 4.3Supported: No end date announced4.3.3
Tailwind CSS 3.4Ending soon: Until 3.4.19
Tailwind CSS 4.2Ended: Ended 4.2.4
Tailwind CSS 4.1Ended: Ended 4.1.18
Tailwind CSS 4.0Ended: Ended 4.0.17

Security advisories

OSV.dev, CISA KEV and FIRST EPSS

No advisories published in the last 12 months. Checked packages: tailwindcss.

All tailwindcss advisories on OSV.dev

Maintenance and supply chain

OpenSSF Scorecard 6.7 / 10 (scored )

The Scorecard rates the repository’s security practices, not known vulnerabilities. Recent activity: 30 commits and 19 issue updates found in the last 90 days.

Weakest checks

  • Unsigned releases (Signed-Releases 0/10)
  • No security policy (Security-Policy 0/10)
  • No static analysis (SAST 0/10)

Full ScorecardSource repository

Docs and release notes

Check Tailwind CSS in your own stack

This page checks Tailwind CSS in general. Your repo pins specific versions: the free dependency check reads your manifests and lists what to fix first. Prism Agent runs the same live checks on your whole stack and turns them into a plan your coding agent can build.

Check my repoDesign a stack with Tailwind CSS