CVE-2026-6763 (GCVE-0-2026-6763)

Vulnerability from cvelistv5 – Published: 2026-04-21 12:40 – Updated: 2026-04-21 20:12
VLAI?
Title
Mitigation bypass in the File Handling component
Summary
Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.
CWE
  • CWE-693 - Protection Mechanism Failure
Assigner
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 140.10 , ≤ 140.* (rpm)
Unaffected: 150 , ≤ * (rpm)
Create a notification for this product.
Credits
Tomoya Nakanishi
Show details on NVD website

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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