CVE-2025-1941Critical· 9.1▾ MidnightUnder certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed (distinct from CVE-2025-0245). This vulnerability was fixed in Firefox 136.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 50.1 · likelihood 0.1 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed (distinct from CVE-2025-0245). This vulnerability was fixed in Firefox 136.
firefox < 136.0Upgrade past the affected range:
firefox 136.0Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-0881Critical· 10.0Sandbox escape in the Messaging System component
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CVE-2026-100832High· 8.8Use-after-free in the Graphics: Canvas2D component
CVE-2026-100831High· 8.8Use-after-free in the DOM: UI Events & Focus Handling component
CVE-2026-100830NoneMitigation bypass in the DOM: Navigation component