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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:HackerOne
Status
Severity
Weakness
Year
Bounty paid3
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
Technique:Account takeover chain
Clear filters7 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Account takeover via leaked session cookieAnalysed#745324ValidAuthenticationHigh2019-12-03$20,0001,642
Account takeover of existing HackerOne accounts through SCIM provisioningAnalysed#3178999ValidAccess ControlHigh2025-07-17–232
2020-10-09 Credential Stuffing AttackAnalysed#1007689ValidNo weakness recorded–2020-10-13–196
Improper CSRF token validation allows attackers to access victim's accounts linked to HackeroneAnalysed#1727221ValidCross-Site Request ForgeryHigh2023-06-19–168
Web Authentication Endpoint Credentials Brute-Force VulnerabilityAnalysed#127844ValidAuthentication–2016-06-23–161
HackerOne Code: a live password reset token reaches Datadog RUM, and the same session records the account it unlocksAnalysed#4071670ValidAuthenticationLow2026-10-08$20045
Information disclosure (reset password token) and changing the user's passwordAnalysed#738ValidCross-Site Request Forgery–2014-02-19$10024

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report (4,365 analysed so far), which can be wrong. Data as of 2026-11-15.