CVE-2026-8948 | Mozilla Firefox up to 150 Networking cross-domain policy

A vulnerability was found in Mozilla Firefox up to 150. It has been rated as problematic. This issue affects some unknown processing of the component Networking Component. Performing a manipulation results in permissive cross-domain policy with untrusted domains.

This vulnerability is known as CVE-2026-8948. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More