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LY Corporation

42disclosed reports
$49,461paid in bounties
6,222known subdomains

See its reports on the map

Attack surface: 6,222 known subdomains

line-apps.comline.menaver.jp

6,222subdomains across 3 root domains

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    Not every host here is in scope. Check the program's policy before testing. Last updated 2026-11-13.

    What gets reported to LY Corporation

    Most upvoted reports

    AllValidInformativeN/ADuplicate

    1. Request smuggling on admin-official.line.me could lead to account takeoverHTTP Request Smuggling · high
      565 votes
    2. Able to Become Admin for Any LINE Official AccountPrivilege Escalation · critical
      493 votes
    3. Reflected XSS in OAUTH2 login flow Cross-site Scripting (XSS) - Reflected · medium
      $1,990489 votes
    4. Arbitrary Code Execution via npm misconfiguration – installing internal libraries from the public registryCode Injection · critical
      $11,500288 votes
    5. Spring Actuator endpoints publicly available and broken authenticationMisconfiguration · critical
      $12,500234 votes
    6. Path traversal in filename in LINE Mac clientPath Traversal · high
      175 votes
    7. Spring Actuator endpoints publicly available, leading to account takeoverMisconfiguration · critical
      $5,000143 votes
    8. SSRF on music.line.me through getXML.phpServer-Side Request Forgery (SSRF) · high
      $4,500135 votes
    9. LINE Profile ID leaks in OpenChatInformation Disclosure · high
      $3,000101 votes
    10. DOM-based XSS on mobile.line.meCross-site Scripting (XSS) - DOM · high
      93 votes
    11. Insufficient access control on all BCRM instances leading to the ability to create admin accounts using the APIImproper Access Control - Generic · high
      88 votes
    12. Improper authorization allows disclosing users' notification data in Notification channel serverImproper Authorization · high
      $2,00078 votes
    13. CORS misconfiguration leads to users information disclosure at https://studyroom.line.meInformation Disclosure · medium
      73 votes
    14. Client-Side Path Traversal on LINE Developers ConsoleCross-Site Request Forgery (CSRF) · medium
      61 votes
    15. File sizes may be manipulated into negative numbers when uploadingBusiness Logic Errors · medium
      $50059 votes
    16. Get-based SSRF limited to HTTP protocol on https://resizer.line-apps.com/formServer-Side Request Forgery (SSRF) · medium
      $1,35056 votes
    17. Missing ownership check in 2FA for secondary client loginImproper Authentication - Generic · critical
      52 votes
    18. Missing authentication in buddy group API of LINE TIMELINEImproper Authentication - Generic · medium
      $3,00047 votes
    19. page.line.me Open Redirect Leading to OAuth Authorization Code Exposure and Access Token CompromiseOpen Redirect · high
      $1,00043 votes
    20. iOS group chat denial of serviceUse of a Broken or Risky Cryptographic Algorithm · low
      $30042 votes
    21. Stored XSS via SVG Upload in chat.line.bizCross-site Scripting (XSS) - Stored · low
      $10040 votes
    22. Path traversal in a Tomcat serverInformation Disclosure
      37 votes
    23. Webview in LINE client for iOS will render application/octet-stream files as HTMLImproper Access Control - Generic · medium
      $50037 votes
    24. Reflected XSS on https://travel.line.meCross-site Scripting (XSS) - Reflected · low
      $10036 votes
    25. Webview address bar spoofing in LINE client for iOSPhishing · low
      36 votes
    26. See drafts and post articles if the account owner hasn't set password (livedoor CMS plugin)Improper Authentication - Generic · critical
      35 votes
    27. Improper Access Control in LINE Timeline API that returns a list of hidden friendsImproper Access Control - Generic · medium
      $1,34735 votes
    28. Path traversal in ZIP extract routine on LINE AndroidPath Traversal · medium
      $47533 votes
    29. Blind SSRF in social-plugins.line.meServer-Side Request Forgery (SSRF) · medium
      $10033 votes
    30. Bot setting information leakage in OpenChat roomImproper Access Control - Generic · low
      29 votes
    31. Debugging panel exposureImproper Access Control - Generic · low
      29 votes
    32. Developer uploaded files missing authentication on LINE GAME Developers site(gdc.game.line.me)Improper Access Control - Generic · high
      28 votes
    33. XSS on LINE CAREERSCross-site Scripting (XSS) - Reflected · low
      27 votes
    34. Stored XSS Via Filename On https://partners.line.me/Cross-site Scripting (XSS) - Stored · low
      $10025 votes
    35. DoS of LINE client for Android via message containing multiple unicode characters (0x0e & 0x0f)Uncontrolled Resource Consumption · medium
      23 votes
    36. Password reset by malicious input on air.line.meImproper Access Control - Generic
      23 votes
    37. Use of unreleased features in programming education service (https://entry.line.me)Business Logic Errors · medium
      21 votes
    38. Access to images and videos in drafts on LINE BLOGImproper Access Control - Generic · medium
      19 votes
    39. Deleting someone else's profile image with a GraphQL query in programming education service (https://entry.line.me)Insecure Direct Object Reference (IDOR) · medium
      16 votes
    40. SSRF restricted to HTTP/HTML on LINE Social Plugins (https://social-plugins.line.me/)Server-Side Request Forgery (SSRF) · medium
      15 votes
    41. Theft of arbitrary files in LINE Lite client for AndroidImproper Access Control - Generic · medium
      12 votes
    42. SSRF occurrence in website preview used by LINE Official Account Manager (https://manager.line.biz)Server-Side Request Forgery (SSRF) · low
      $10011 votes