High severityNVD Advisory· Published Oct 30, 2026

CVE-2026-85268

Description

A Cross-Site Scripting (XSS) (CWE-79) vulnerability in the auth/handler in Google Cloud Identity Platform and Firebase Authentication versions prior to 2026-08-14 on iOS allows an unauthenticated remote attacker to execute arbitrary JavaScript using a malicious iOS bundle ID.

Patches

Vulnerability mechanics

References

firebase.google.com/support/releasesnvd

News mentions

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