VulnSocial

CVE-2026-2800Disclosure(mozilla / firefox)

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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

mozilla CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-290

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • firefox
  • thunderbird

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • Peaked 1d ago at 2 mentions (2026-02-24); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
mozilla
Products
firefoxthunderbird

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-02-24: 2Mentions · 2026-03-01: 1Technical Details · 2026-02-24: 2Technical Details · 2026-03-01: 102-2403-01
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-02-242
Disclosure2
2026-03-011
Disclosure1
Full discourse3 posts
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-2800 (CVSS:9.8, CRITICAL) is Modified. Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 148 and Thunderbir..https://nvd.nist.gov/vuln/detail/CVE-2026-2800 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    The post announces a critical spoofing vulnerability (CVE‑2026‑2800) in Firefox for Android’s WebAuthn component, noting its CVSS score and affected versions, but provides no PoC, exploit, or patch details.

    0000045
    173 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-2800 Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 148. https://www.cve.org/CVERecord?id=CVE-2026-2800 ----- Traducción: CVE-2026-2800 Problema de suplantación en el componente WebAuthn de Firefox para … http://infoflow.cloud`

    Post summary

    A new spoofing vulnerability (CVE-2026-2800) affecting Firefox for Android versions below 148 has been disclosed, with details available on the CVE record.

    0000068
    54 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-2800 Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 148. https://www.cve.org/CVERecord?id=CVE-2026-2800

    Post summary

    CVE-2026-2800 is a spoofing vulnerability in Firefox for Android's WebAuthn component, affecting versions below 148, and has been publicly disclosed.

    00000287
    56.6K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillathunderbird---

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