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Vulnerabilities

Vulnerable Software

Vulnerability Details 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 due to insufficient safeguards when handling arbitrary URL schemes, potentially causing the iOS device to become temporarily inoperable.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.003

EPSS Ranking 22.4%

CVSS Severity

CVSS v3 Score 6.5

References

https://hackerone.com/reports/3422905

Products affected by CVE-2026-3861

Linecorp » Line » Version: 10.0.0

cpe:2.3:a:linecorp:line:10.0.0
Linecorp » Line » Version: 10.0.1

cpe:2.3:a:linecorp:line:10.0.1
Linecorp » Line » Version: 10.0.2

cpe:2.3:a:linecorp:line:10.0.2
Linecorp » Line » Version: 10.1.0

cpe:2.3:a:linecorp:line:10.1.0
Linecorp » Line » Version: 10.1.1

cpe:2.3:a:linecorp:line:10.1.1
Linecorp » Line » Version: 10.16.3

cpe:2.3:a:linecorp:line:10.16.3
Linecorp » Line » Version: 10.21.3

cpe:2.3:a:linecorp:line:10.21.3
Linecorp » Line » Version: 11.0.0

cpe:2.3:a:linecorp:line:11.0.0
Linecorp » Line » Version: 11.1.0

cpe:2.3:a:linecorp:line:11.1.0
Linecorp » Line » Version: 11.10.0

cpe:2.3:a:linecorp:line:11.10.0
Linecorp » Line » Version: 11.11.0

cpe:2.3:a:linecorp:line:11.11.0
Linecorp » Line » Version: 11.12.0

cpe:2.3:a:linecorp:line:11.12.0
Linecorp » Line » Version: 11.12.1

cpe:2.3:a:linecorp:line:11.12.1
Linecorp » Line » Version: 11.13.0

cpe:2.3:a:linecorp:line:11.13.0
Linecorp » Line » Version: 11.15.0

cpe:2.3:a:linecorp:line:11.15.0
Linecorp » Line » Version: 11.16.0

cpe:2.3:a:linecorp:line:11.16.0
Linecorp » Line » Version: 11.2.0

cpe:2.3:a:linecorp:line:11.2.0
Linecorp » Line » Version: 11.3.0

cpe:2.3:a:linecorp:line:11.3.0
Linecorp » Line » Version: 11.4.0

cpe:2.3:a:linecorp:line:11.4.0
Linecorp » Line » Version: 11.4.1

cpe:2.3:a:linecorp:line:11.4.1
Linecorp » Line » Version: 11.5.0

cpe:2.3:a:linecorp:line:11.5.0
Linecorp » Line » Version: 11.5.1

cpe:2.3:a:linecorp:line:11.5.1
Linecorp » Line » Version: 11.6.0

cpe:2.3:a:linecorp:line:11.6.0
Linecorp » Line » Version: 11.6.1

cpe:2.3:a:linecorp:line:11.6.1
Linecorp » Line » Version: 11.6.5

cpe:2.3:a:linecorp:line:11.6.5
Linecorp » Line » Version: 11.7.0

cpe:2.3:a:linecorp:line:11.7.0
Linecorp » Line » Version: 11.7.1

cpe:2.3:a:linecorp:line:11.7.1
Linecorp » Line » Version: 11.8.0

cpe:2.3:a:linecorp:line:11.8.0
Linecorp » Line » Version: 11.8.1

cpe:2.3:a:linecorp:line:11.8.1
Linecorp » Line » Version: 11.8.2

cpe:2.3:a:linecorp:line:11.8.2
Linecorp » Line » Version: 11.9.0

cpe:2.3:a:linecorp:line:11.9.0
Linecorp » Line » Version: 13.16.0

cpe:2.3:a:linecorp:line:13.16.0
Linecorp » Line » Version: 14.0.0

cpe:2.3:a:linecorp:line:14.0.0
Linecorp » Line » Version: 7.0.0

cpe:2.3:a:linecorp:line:7.0.0
Linecorp » Line » Version: 7.1.3

cpe:2.3:a:linecorp:line:7.1.3
Linecorp » Line » Version: 7.15

cpe:2.3:a:linecorp:line:7.15
Linecorp » Line » Version: 8.0.2

cpe:2.3:a:linecorp:line:8.0.2
Linecorp » Line » Version: 8.1.0

cpe:2.3:a:linecorp:line:8.1.0
Linecorp » Line » Version: 8.1.1

cpe:2.3:a:linecorp:line:8.1.1
Linecorp » Line » Version: 8.11.0

cpe:2.3:a:linecorp:line:8.11.0
Linecorp » Line » Version: 8.11.1

cpe:2.3:a:linecorp:line:8.11.1
Linecorp » Line » Version: 8.12.0

cpe:2.3:a:linecorp:line:8.12.0
Linecorp » Line » Version: 8.12.1

cpe:2.3:a:linecorp:line:8.12.1
Linecorp » Line » Version: 8.13.0

cpe:2.3:a:linecorp:line:8.13.0
Linecorp » Line » Version: 8.14.5

cpe:2.3:a:linecorp:line:8.14.5
Linecorp » Line » Version: 8.16.0

cpe:2.3:a:linecorp:line:8.16.0
Linecorp » Line » Version: 8.16.1

cpe:2.3:a:linecorp:line:8.16.1
Linecorp » Line » Version: 8.2.0

cpe:2.3:a:linecorp:line:8.2.0
Linecorp » Line » Version: 8.2.1

cpe:2.3:a:linecorp:line:8.2.1
Linecorp » Line » Version: 8.3.0

cpe:2.3:a:linecorp:line:8.3.0
Linecorp » Line » Version: 8.3.1

cpe:2.3:a:linecorp:line:8.3.1
Linecorp » Line » Version: 8.4.0

cpe:2.3:a:linecorp:line:8.4.0
Linecorp » Line » Version: 8.4.1

cpe:2.3:a:linecorp:line:8.4.1
Linecorp » Line » Version: 8.5.0

cpe:2.3:a:linecorp:line:8.5.0
Linecorp » Line » Version: 8.5.1

cpe:2.3:a:linecorp:line:8.5.1
Linecorp » Line » Version: 8.5.2

cpe:2.3:a:linecorp:line:8.5.2
Linecorp » Line » Version: 8.6.0

cpe:2.3:a:linecorp:line:8.6.0
Linecorp » Line » Version: 8.6.1

cpe:2.3:a:linecorp:line:8.6.1
Linecorp » Line » Version: 8.7.0

cpe:2.3:a:linecorp:line:8.7.0
Linecorp » Line » Version: 8.8.0

cpe:2.3:a:linecorp:line:8.8.0
Linecorp » Line » Version: 8.9.0

cpe:2.3:a:linecorp:line:8.9.0
Linecorp » Line » Version: 9.1.0

cpe:2.3:a:linecorp:line:9.1.0
Linecorp » Line » Version: 9.12.0

cpe:2.3:a:linecorp:line:9.12.0
Linecorp » Line » Version: 9.13.0

cpe:2.3:a:linecorp:line:9.13.0
Linecorp » Line » Version: 9.15.0

cpe:2.3:a:linecorp:line:9.15.0
Linecorp » Line » Version: 9.15.1

cpe:2.3:a:linecorp:line:9.15.1
Linecorp » Line » Version: 9.16.0

cpe:2.3:a:linecorp:line:9.16.0
Linecorp » Line » Version: 9.16.1

cpe:2.3:a:linecorp:line:9.16.1
Linecorp » Line » Version: 9.16.5

cpe:2.3:a:linecorp:line:9.16.5
Linecorp » Line » Version: 9.16.6

cpe:2.3:a:linecorp:line:9.16.6
Linecorp » Line » Version: 9.18.0

cpe:2.3:a:linecorp:line:9.18.0
Linecorp » Line » Version: 9.18.1

cpe:2.3:a:linecorp:line:9.18.1
Linecorp » Line » Version: 9.19.0

cpe:2.3:a:linecorp:line:9.19.0
Linecorp » Line » Version: 9.2.0

cpe:2.3:a:linecorp:line:9.2.0
Linecorp » Line » Version: 9.2.1

cpe:2.3:a:linecorp:line:9.2.1
Linecorp » Line » Version: 9.5.0

cpe:2.3:a:linecorp:line:9.5.0
Linecorp » Line » Version: 9.5.1

cpe:2.3:a:linecorp:line:9.5.1
Linecorp » Line » Version: 9.6.5

cpe:2.3:a:linecorp:line:9.6.5
Linecorp » Line » Version: 9.7.0

cpe:2.3:a:linecorp:line:9.7.0
Linecorp » Line » Version: 9.7.1

cpe:2.3:a:linecorp:line:9.7.1
Linecorp » Line » Version: 9.8.0

cpe:2.3:a:linecorp:line:9.8.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-3861

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