VULNERABILITY INTELLIGENCE

CVE-2026-8948

CVSS score9.1 CRITICAL
EPSS probability0.42%
CISA KEVNot currently listed
Published2026-05-19
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Description

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

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-942
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-79

Primary references