CVE-2026-124938 | Mozilla Firefox up to 153.6/159 Add-ons Manager improper authentication

November 10, 2026 Yanac

A vulnerability was found in Mozilla Firefox up to 153.6/159. It has been classified as critical. This vulnerability affects unknown code of the component Add-ons Manager. This manipulation causes improper authentication.

This vulnerability is handled as CVE-2026-124938. The attack can be initiated remotely. There is not any exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More