CRITICALCVSS 9.1

CVE-2026-8948

CVE-2026-8948 updated by NVD

Summary

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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