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CVE-2026-106460

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

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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 · Mittel · EPSS 0,3% · Korrektur verfügbar

Veröffentlicht
Aktualisiert

Technologie-Stack: node

Betroffene Produkte und Versionen

  • backstage

    Softwareversionen
    • >= 1.18.0, < 1.49.7: Betroffen
    • >= 1.50.0-next.0, < 1.54.7: Betroffen

    Keine Korrektur veröffentlicht

  • plugin-auth-node

    Softwareversionen
    • >= 0.3.0, < 0.6.15: Betroffen
    • >= 0.7.0, < 0.7.5: Betroffen

    Keine Korrektur veröffentlicht

  • @backstage/plugin-auth-node npm

    Betroffene Versionsbereiche
    • SEMVER: ≥ 0.3.0, < 0.6.15

    Auf 0.6.15 aktualisieren

  • @backstage/plugin-auth-node npm

    Betroffene Versionsbereiche
    • SEMVER: ≥ 0.7.0, < 0.7.5

    Auf 0.7.5 aktualisieren

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