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CVE-2026-116631

Medium

Description

A malicious web page could open a tel link in a window that was showing a different website, causing the phone-call prompt to appear as if that site had requested the call. This vulnerability was fixed in Firefox for iOS 156.1.

SeverityMedium
CVSS5.4
Exploit probability—
ProductFirefox for iOS
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-451CWE-451

How to fix

Update
  • Mozilla Firefox for iOS156.1 or later

Affected products

ProductAffected versionsFixed in
Mozilla Firefox for iOSNo range specified156.1

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