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HackerOne · disclosed reports

Input Validation and Logic

31 disclosed reports · $6,500 paid · 31 valid

Every dot is a report; the named ones are the most upvoted. Bright dots were paid a bounty. A report opens its page here: our analysis where there is one, and the link to HackerOne. The status is HackerOne's own outcome; "access needed" is only what a title states.

Open HackerOne on HackerOne
reports
31
valid
31
paid a bounty
8

Every one of the 31 is a mark on the map. Named now: 1 to 26, most upvoted first.

  1. Hackerone is not properly deleting user id#1133118HackerOne · 356 votesValid
  2. Getting New Invitations without Leaving Programs#999789HackerOne · 322 votesValid
  3. adding h1_analyst_* to username for normal users#1770797HackerOne · $500 · 187 votesValid
  4. Client-Side Race Condition using Marketo, allows sending user to data-protocol in Safari when form without onSuccess is submitted on www.hackerone.com#381356HackerOne · 154 votesValid
  5. Bypassing HackerOne 2FA due to race condition#2598548HackerOne · 139 votesValid
  6. Any user could upload attachments to pentest scoping form they don't have access to#2450215HackerOne · 121 votesValid
  7. Account recovery text message is sending a wrong domain to users.#549364HackerOne · 117 votesValid
  8. @wearehackerone.com is vulnerable to namespace attacks due to hackerone.com not being RFC2142 compliant.#397792HackerOne · 117 votesValid
  9. Harvesting all private invites using leave program fast-tracked invitation and security@ email forwarding feature#334205HackerOne · $2,500 · 103 votesValid
  10. Improper UUID validation results in bypass of #419896#423073HackerOne · 82 votesValid
  11. Asset Inventory Internal Descriptions are leaked in CSV export#2011431HackerOne · 76 votesValid
  12. Residual Malicious Payloads on HackerOne after Vulnerability Fixes#3168691HackerOne · 72 votesValid
  13. Minor security issue with Hackerone Invitations from sandbox program#2430179HackerOne · 64 votesValid
  14. Email Forwarding invitations for Drafts are not marked as accepted, allowing multiple users to join a program after disabling Email Forwarding#331691HackerOne · $500 · 54 votesValid
  15. Program managers can see draft reports using Export Reports feature#1664920HackerOne · 50 votesValid
  16. Response program can display "eligible for bounty" in scope area in program policy#475660HackerOne · $500 · 47 votesValid
  17. Response program can create bounty table#460920HackerOne · $500 · 46 votesValid
  18. Adding or removing a new non-preferred payout method does not trigger an e-mail or account notification#242964HackerOne · 46 votesValid
  19. API Last Request Date/Time Not Updating#220774HackerOne · 45 votesValid
  20. Ability to invite a new member on Sandbox Program#1088966HackerOne · 44 votesValid
  21. User's who are banned from program can still be invited to the new reports as collaborators#1131306HackerOne · 37 votesValid
  22. Changing Victim's JIRA Integration Settings Through Multiple Bugs#226199HackerOne · $1,000 · 36 votesValid
  23. [Bypass] Ability to invite a new member in sandbox Organization#1486417HackerOne · 35 votesValid
  24. Lack warning label when receiving a letter#1128701HackerOne · 33 votesValid
  25. A team member of the program with Report rights can ban the Admin#816143HackerOne · 30 votesValid
  26. Dangling cloud instance at vpn.inverselink.com#1112679HackerOne · $500 · 29 votesValid

paid a bounty

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.