Firefox DOM Push Subscriptions site isolation flaw before v155
CVE-2026-84133 Published on September 1, 2026

Site isolation issue in the DOM: Push Subscriptions component
Site isolation issue in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2.

NVD


Products Associated with CVE-2026-84133

Want to know whenever a new CVE is published for Mozilla Firefox? stack.watch will email you.

 

Affected Versions

Mozilla Firefox: