CVE-2026-84128 | Mozilla Firefox up to 154 WebDriver BiDi privileges management (Nessus ID 342308 / WID-SEC-2026-3132)
A vulnerability was found in Mozilla Firefox up to 154. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component WebDriver BiDi. Executing a manipulation can lead to improper privilege management.
This vulnerability is handled as CVE-2026-84128. The attack can be executed remotely. There is not any exploit available.
It is recommended to upgrade the affected component.