{"id":"CVE-2026-3861","title":"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, pote…","summary":"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, pote…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-451"],"vendor":"linecorp","product":"line","affected":["line < 26.3.0"],"patched":["line 26.3.0"],"published":"2026-04-16","updated":"2026-07-08","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-3861","references":[{"url":"https://hackerone.com/reports/3422905","label":"dl_cve@linecorp.com"}],"tags":["nvd"],"epss":0.00345,"epssPercentile":0.2527,"ingestedAt":"2026-07-08T03:46:38.647Z","slug":"CVE-2026-3861","body":"## Overview\n\nLINE 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.\n\n## Affected\n\n- `line < 26.3.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `line 26.3.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}