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CVE-2026-64643

CVE-2026-64643 · Next.js: Unauthenticated Disclosure of Internal Server Function endpoints

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Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions (use server) or use cache endpoints can be disclosed bypassing any authentication on the pages where these endpoints are usually used. Server Action IDs can be disclosed to unauthenticated users via publicly served client artifacts (for example, static chunks containing action references). Affected users are applications using App Router and Server Actions. By itself, this disclosure is typically a recon/enumeration primitive; however, it can increase risk when combined with other weaknesses. This issue has been fixed in versions 15.5.21 and 16.2.11.

CVSS 6.3 · Moyenne · EPSS 0,5% · Correctif disponible

Publication
Mise à jour

Pile logicielle: node

Produits et versions concernés

  • next.js

    Versions du logiciel
    • >= 13.0.0, < 15.5.21: Concernée
    • >= 16.0.0, < 16.2.11: Concernée

    Aucun correctif publié

  • next npm

    Plages de versions concernées
    • SEMVER: ≥ 13.0.0, < 15.5.21

    Mettez à jour vers 15.5.21

  • next npm

    Plages de versions concernées
    • SEMVER: ≥ 16.0.0, < 16.2.11

    Mettez à jour vers 16.2.11

Sources originales

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