CVE-2026-12348

HIGH

Address Bar Spoofing in Arc Search for Android (window.open race condition)

Title source: cna

Description

Address bar spoofing in Arc Search for Android allows a remote attacker to display a trusted domain in the address bar while rendering attacker-controlled content, enabling phishing.

References (1)

Core 1

Core References

https://hackerone.com/reports/3705306

Scores

CVSS v3 7.4

EPSS 0.0028

EPSS Percentile 20.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-1021

Status published

Products (1)

The Browser Company of New York`/Arc Search < 1.12.8

Published Jun 17, 2026

Tracked Since Jun 17, 2026