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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:Insecure Direct Object Reference
Clear
Year
Bounty paid1
Access stated
Access needed:A user account
Technique
Clear filters12 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
IDOR - Delete all Licenses and certifications from users account using CreateOrUpdateHackerCertification GraphQL queryAnalysed#2122671ValidInsecure Direct Object ReferenceHigh2023-08-29–395
IDOR allows user to access report details via reference.json endpointAnalysed#3862641ValidInsecure Direct Object ReferenceCritical2026-10-01$15,000372
Insecure Direct Object Reference (IDOR) - Delete CampaignsAnalysed#1969141ValidInsecure Direct Object ReferenceHigh2023-05-03–346
Attachment disclosure via summary reportAnalysed#2442008ValidInsecure Direct Object ReferenceCritical2024-04-29–340
IDOR vulnerability in unreleased HackerOne Copilot featureAnalysed#2218334ValidInsecure Direct Object ReferenceMedium2023-10-25–210
IDOR Vulnerability at AddTagToAssets operation nameAnalysed#2633771ValidInsecure Direct Object ReferenceMedium2025-06-08–178
Unreleased CTF Levels are Revealed on /group/user/ID1?user=USERID endpointAnalysed#536853ValidInsecure Direct Object ReferenceLow2019-04-23–161
IDOR on HackerOne Feedback ReviewAnalysed#262661ValidInsecure Direct Object ReferenceLow2017-09-02–79
Reporter, external users, collaborators can mark sent swag awarded to reporter as unsentAnalysed#717729ValidInsecure Direct Object ReferenceMedium2019-10-25–76
IDOR in Report CSV export discloses the IDs of Custom Field Attributes of ProgramsAnalysed#510759ValidInsecure Direct Object ReferenceLow2019-09-06–67
Any user with access to program can resume and suspend HackerOne GatewayAnalysed#717716ValidInsecure Direct Object ReferenceMedium2019-10-21–65
IDOR in Bugs overview enables attacker to determine the date range a hackathon was activeAnalysed#663431ValidInsecure Direct Object ReferenceLow2019-12-13–33

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, where there is one, which can be wrong. Data as of 2026-11-15.