CRITICALCVSS 9.1
CVE-2026-109772
CVE-2026-109772 updated by NVD
Summary
Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
References
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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