CVE-2026-8950

CRITICAL
9.3CVSS v3
CVSS v2
0.02% EPSS (exploit probability)
CWE-346CWE

Description

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected routers (0)

No routers currently mapped to this CVE in our database.

External references