9.8
Critical
CVE-2026-2800 Spoofing issue in the WebAuthn component in Firefox for Android
Description
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 148 | earliest → < 148 | 148 |
| Thunderbird 148 | earliest → < 148 | 148 |
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