CVE-2026-106016

Impact

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 157.0.1 and Thunderbird 158.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• https://bugzilla.mozilla.org/show_bug.cgi?id=2067465
• https://www.mozilla.org/security/advisories/mfsa2026-104/
• https://www.mozilla.org/security/advisories/mfsa2026-109/