CVE-2026-2800 - Vulnerability Analysis

Overview

Firefox for Android < 148 contains a spoofing vulnerability in the WebAuthn component, letting attackers impersonate legitimate entities, exploit requires no special conditions.

Severity & Score

Impact

Attackers can impersonate legitimate entities, potentially leading to unauthorized access or phishing attacks.

Mitigation

Update to Firefox for Android version 148 or later.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1988145
• https://www.mozilla.org/security/advisories/mfsa2026-13/
• https://www.mozilla.org/security/advisories/mfsa2026-16/

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Feb 26, 2026

🔴 CVE-2026-2800 - Critical (9.8) Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 148 and Thunderbird < 148. 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-2800/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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