CVE-2026-3861

HIGH EPSS 22.1%

Published Apr 16, 20262mo ago · Modified Jun 17, 20262w ago

7.1 CVSS 4.0

High

Published Apr 16, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

Description

LINE client for iOS versions prior to 26.3.0 contains a vulnerability in the in-app browser where opening a crafted web page can repeatedly trigger OS-level dialogs due to insufficient safeguards when handling arbitrary URL schemes, potentially causing the iOS device to become temporarily inoperable.

CVSS Details

Base Score

7.1

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

22.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-451

References 1

hackerone.com https://hackerone.com/reports/3422905

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.