Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d3f1f9ad6d712478202a48349eeafc5faed73b5e702617b140ad87130c056156
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-451","description":"CWE-451 User Interface (UI) Misrepresentation of Critical Information","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"CWE-400","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"LINE client for iOS","vendor":"LY Corporation","versions":[{"lessThan":"*","status":"unaffected","version":"26.3.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-451","description":"CWE-451 User Interface (UI) Misrepresentation of Critical Information","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"CWE-400","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://hackerone.com/reports/3422905"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d4dd452087e3d7ef0d5d1653e2df1978cb80c344bf40c13ad8c2ba13a99a1472 · sha256:6de00a232d72bc05… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer