CVE-2026-94181

High

Description

An address bar spoofing issue in affected versions of Arc could allow an attacker to spoof the browser address bar via a <select> element that triggers requestFullscreen without displaying the fullscreen notification.

SeverityHigh
CVSS7.4
Exploit probability—
ProductArc
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-451CWE-451

How to fix

Update
  • The Browser Company of New York Arc1.159.0 or later

Affected products

ProductAffected versionsFixed in
The Browser Company of New York Arcv < 1.159.01.159.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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