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CVE-2026-3861

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, potentially causing the iOS dev...

Published: Apr 16, 2026Updated: Apr 16, 2026 Sources: CVE List NVD

NVD MITRE

6.5CVSS

MEDIUM

EPSS Score

0.0%

Top 98.7%

CISA KEV

Not in KEV

Exploits

No Known Exploits

Remediation

No Fix Available

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

Weaknesses

CWE-451

Affected Products

LINE client for iOS

LINE Corporation

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://hackerone.com/reports/3422905

hackerone.com

Timeline

Published

Apr 16, 2026

Last Updated

Apr 16, 2026

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