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CVE-2026-86853

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CVSS 3.1
4.3 medium
EPSS
<1%p7
Published
()
Modified
Description

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1.

Weakness
CWE-451
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

No ingested article mentions this CVE yet.