CVE-2026-6763 (GCVE-0-2026-6763)
Vulnerability from cvelistv5
Published
2026-04-21 12:40
Modified
2026-04-21 23:34
Summary
Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 140.10
Unaffected: 150
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   Mozilla Thunderbird Unaffected: 140.10
Unaffected: 150
Create a notification for this product.
Show details on NVD website


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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