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CVE-2026-27804

CVE-2026-27804 · Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with `alg: "none"` to log in as any user linked to a Google account, without knowing their credentials. All deployments with Google authentication enabled are affected. The fix in versions 8.6.3 and 9.1.1-alpha.4 hardcodes the expected `RS256` algorithm instead of trusting the JWT header, and replaces the Google adapter's custom key fetcher with `jwks-rsa` which rejects unknown key IDs. As a workaround, dsable Google authentication until upgrading is possible.

CVSS 9.3 · Critique · EPSS 0,2% · Correctif disponible

Publication
Mise à jour

Pile logicielle: node

Produits et versions concernés

  • parse-server

    Versions du logiciel
    • >= 9.0.0, < 9.3.1-alpha.4: Concernée
    • < 8.6.3: Concernée

    Aucun correctif publié

  • parse-server npm

    Plages de versions concernées
    • SEMVER: ≥ 9.0.0, < 9.3.1-alpha.4

    Mettez à jour vers 9.3.1-alpha.4

  • parse-server npm

    Plages de versions concernées
    • SEMVER: < 8.6.3

    Mettez à jour vers 8.6.3

Sources originales

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