Security Advisory

CVE-2026-74956

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-18 12:23:37

Last updated 2026-08-18 19:07:59

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

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