CVE-2026-11799

High

Description

UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMozilla Focus
PublishedJun 9, 2026
First seenJun 9, 2026

How to fix

Update
  • mozilla focus151.3.1 or later
  • mozilla klar151.3.1 or later

Affected products

ProductAffected versionsFixed in
mozilla focusv < 151.3.1151.3.1
mozilla klarv < 151.3.1151.3.1

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