---
cve: "CVE-2026-84127"
severity: "MEDIUM"
cvss: 4.3
epss: "3.8%"
vendor: "Google"
kev: false
exploited: false
published: "2026-09-01 13:20:06"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T05:55:42+02:00"
---

# CVE-2026-84127

> 4.3 MEDIUM

## Beschreibung

Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- e085522364162451ad4c87a989e0e0a64b0b7d31 (Commit)

## Referenzen

- <https://bugzilla.mozilla.org/show_bug.cgi?id=1699444>
- <https://www.mozilla.org/security/advisories/mfsa2026-82/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-84127) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_