CVE-2026-124912 | Mozilla Firefox up to 153.6/159 DOM Security data authenticity

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 153.6/159. This impacts an unknown function of the component DOM Security. The manipulation results in insufficient verification of data authenticity.

This vulnerability was named CVE-2026-124912. The attack may be performed from remote. There is no available exploit.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More