CVE-2026-2378: Thebrowser Arc Search

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

ArcSearch for Android versions prior to 1.12.7 could display a different domain in the address bar than the content being shown, enabling address bar spoofing after user interaction via crafted web content.

Affected products

• Thebrowser Arc Search: before 1.12.7 (fixed in 1.12.7)

Published 2026-03-20. Last modified 2026-06-17.