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CRITICALCVE-2026-8948Published Modified CNA mozilla

CVE-2026-8948: Same-origin policy bypass in the DOM: Networking component

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Metrics

CVSS v3.1
9.1
Severity
CRITICAL
Fixed in
151
Affected Products
2

Fix available

151
Affected packages
  • Mozilla / Firefox
    Fixed in 151
  • Mozilla / Thunderbird
    Fixed in 151
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References