Packages / hono / Security

ModerateVulnerabilityGHSA-w62v-xxxg-mg59Published 21 Jul 2026

Hono: Server-Side XSS via JSX Escaping Bypass in cx() Utility

Affected releases · hono

  • 4.x4.0.0 – 4.12.26Fixed in 4.12.27

On 4.x, the newest line:

npm install hono@4.12.27

  1. Not affected

    0.0.1 – 3.12.12

    215 releases

  2. Affected

    4.0.0 – 4.12.26

    173 releases

  3. Fixed

    4.12.27 – 4.13.13

    22 releases, latest

410 stable releases of hono, oldest to newest.

Is your project affected?

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What happens

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