CVE-2026-2800
Received Received - Intake

WebAuthn Spoofing Vulnerability in Firefox for Android

Publication date: 2026-02-24

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

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Meta Information

Published
2026-02-24
Last Modified
2026-04-13
Generated
2026-07-28
AI Q&A
2026-02-24
EPSS Evaluated
2026-07-26
NVD
CVE-2026-2800

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 148.0 (exc)
mozilla thunderbird to 148.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-290 This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Attack-Flow Graph

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Executive Summary

This vulnerability is a spoofing issue in the WebAuthn component of Firefox for Android. It affects versions of Firefox prior to 148.

Detection Guidance

I don't know

Impact Analysis

Exploitation of this vulnerability could allow an attacker to spoof authentication processes in Firefox for Android, potentially leading to unauthorized access or impersonation.

Compliance Impact

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Mitigation Strategies

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