CVE-2026-12348 PUBLISHED

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

Assigner: BCNY
Reserved: 15.06.2026 Published: 16.06.2026 Updated: 16.06.2026

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.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	The Browser Company of New York`
Product	Arc Search
Versions	Default: unaffected unaffected from 0 to 1.12.8 (incl.)

References

https://hackerone.com/reports/3705306

Problem Types

CWE-1021 Improper restriction of rendered UI layers or frames CWE

Impacts

Address bar spoofing