CVE-2026-100808 | Mozilla Firefox up to 153.3/156 Service Workers unnecessary privileges

September 29, 2026 Yanac

A vulnerability has been found in Mozilla Firefox up to 153.3/156 and classified as critical. This impacts an unknown function of the component Service Workers. The manipulation leads to execution with unnecessary privileges.

This vulnerability is referenced as CVE-2026-100808. Remote exploitation of the attack is possible. No exploit is available.

The affected component should be upgraded.VulDB Recent EntriesRead More