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CVE-2026-106460

CVE-2026-106460 · Backstage: Explicit negative email verification can be ignored during shared OAuth profile normalization

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

Backstage is an open framework for building developer portals. From 0.3.0 until 0.6.15 and 0.7.5, the @backstage/plugin-auth-node package did not consistently honor explicit negative email verification during shared OAuth profile normalization. The affected paths include a selected profile email marked verified: false, a matching raw provider email marked email_verified: false, and an email obtained only from an ID token marked email_verified: false. Exploitation requires an admitted identity-provider user who can supply or change an unverified email and a deployment that uses the selected profile email to resolve catalog identities. The verification metadata must apply to the selected email; an absent email_verified claim alone is not affected. In an affected configuration, the user may assume another catalog identity and obtain its associated access and permissions. This issue is fixed in versions 0.6.15 and 0.7.5.

CVSS 6.8 · Moyenne · EPSS 0,3% · Correctif disponible

Publication
Mise à jour

Pile logicielle: node

Produits et versions concernés

  • backstage

    Versions du logiciel
    • >= 1.18.0, < 1.49.7: Concernée
    • >= 1.50.0-next.0, < 1.54.7: Concernée

    Aucun correctif publié

  • plugin-auth-node

    Versions du logiciel
    • >= 0.3.0, < 0.6.15: Concernée
    • >= 0.7.0, < 0.7.5: Concernée

    Aucun correctif publié

  • @backstage/plugin-auth-node npm

    Plages de versions concernées
    • SEMVER: ≥ 0.3.0, < 0.6.15

    Mettez à jour vers 0.6.15

  • @backstage/plugin-auth-node npm

    Plages de versions concernées
    • SEMVER: ≥ 0.7.0, < 0.7.5

    Mettez à jour vers 0.7.5

Sources originales

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