Is CVE-2026-81267 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-81267?

CVE-2026-81267 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-81267

Description

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.