{"id":"CVE-2026-3861","state":"PUBLISHED","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 insuffic","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.","publishedAt":"2026-04-16T05:54:05.194Z","updatedAt":"2026-05-22T05:00:53.312Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"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","source":"LY-Corporation"},"assigner":"LY-Corporation","products":["LY Corporation LINE client for iOS"],"affected":[{"vendor":"LY Corporation","product":"LINE client for iOS","defaultStatus":"affected","versions":[{"version":"26.3.0","status":"unaffected","lessThan":"*","versionType":"custom"}]}],"references":["https://hackerone.com/reports/3422905"],"weaknesses":["CWE-451"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/3xxx/CVE-2026-3861.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3861","state":"PUBLISHED","datePublished":"2026-04-16T05:54:05.194Z","dateUpdated":"2026-05-22T05:00:53.312Z","assignerShortName":"LY-Corporation","assignerOrgId":"657f3255-0560-4aed-82e4-7f579ec6acfb","dateReserved":"2026-03-10T05:02:39.735Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"LY Corporation","product":"LINE client for iOS","defaultStatus":"affected","versions":[{"version":"26.3.0","status":"unaffected","lessThan":"*","versionType":"custom"}]}],"references":[{"url":"https://hackerone.com/reports/3422905"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM"},"cvssV4_0":{"version":"4.0","vectorString":"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","baseScore":7.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-400"}]}],"providerMetadata":{"shortName":"LY-Corporation","orgId":"657f3255-0560-4aed-82e4-7f579ec6acfb","dateUpdated":"2026-05-22T05:00:53.312Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-16T12:16:15.191045Z","id":"CVE-2026-3861","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-451","type":"CWE","lang":"en","description":"CWE-451 User Interface (UI) Misrepresentation of Critical Information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-16T12:31:11.953Z"}}]}}}