# CVE-2026-3861

> Vulnerability · severity: **MEDIUM** (CVSS 6.5).

## 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.

## Key facts

- **CVE ID:** CVE-2026-3861
- **Published:** 2026-04-16
- **CVSS severity:** MEDIUM
- **CVSS base score:** 6.5
- **CWE codes:** CWE-451

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3861

## Citation

> AI Analytics. CVE-2026-3861. Retrieved 2026-08-10 from https://api.ai-analytics.org/cve/CVE-2026-3861. Derived from NIST NVD. Licensed CC0.

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