Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 148 and Thunderbird < 148.

Published: 2026-02-24

CVSS: 9.8

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Download CVE-2026-2800 POC (Proof-of-Concept) here:

Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.

Check our portfolio:

https://dnacompany.com/poc-852-cve-2026-2590/

https://dnacompany.com/poc-496-cve-2026-2905/

https://dnacompany.com/poc-346-cve-2026-1670/

https://dnacompany.com/poc-755-cve-2026-28411/

https://dnacompany.com/poc-230-cve-2026-25809/