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CVE-2026-2800
published 2026-02-24

CVE-2026-2800: Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Affected

4 ranges
VendorProductVersion rangeFixed in
debianfirefox
mozillafirefox< 148.0148.0
mozillafirefox
mozillathunderbird< 148.0148.0

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL