CVE-2026-12348

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

State: Published
Severity: 7.4 High
Published: Jun 16, 2026
Updated: Jun 17, 2026
Reserved: Jun 15, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.4 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N	BCNY

Weaknesses

CWE-1021 Improper restriction of rendered UI layers or frames

Affected Products

Product	Versions
Arc SearchThe Browser Company of New York`	1.12.8 and earlierNot affected

References

https://hackerone.com/reports/3705306

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