EUVD-2026-24109
GHSA-q5x7-w9rr-q429
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
8DescriptionNVD
Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150.
AnalysisAI
Authentication bypass in Firefox's cookie-handling mechanism allows remote unauthenticated attackers to bypass security controls via network requests, achieving full confidentiality, integrity, and availability compromise. Affects Firefox versions prior to 150. …
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RemediationAI
Within 24 hours: Identify all Firefox installations organization-wide and document current versions. Within 7 days: Apply Mozilla patches referenced in security advisories MFSA2026-30 and MFSA2026-33, prioritizing Firefox versions prior to 150; verify installations reach version 150 or later. …
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