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Bug bounty reports15,219

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

Program:Discourse
Status
Severity:Medium
Clear
Weakness
Year
Bounty paid1
Access stated
Access needed
  • No account0
  • A user account1
  • A privileged role0
  • Admin0
  • Physical or local access0
  • Not clear from the report0
Technique
Clear filters4 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Arbitrary `/tmp` read in discourse via `convert_heif!` decoder-confusion (regression of 4bf3bf6786)#3738834ValidInformation DisclosureMedium2026-10-26–4
Users can bookmark other user's messages#192611ValidAccess ControlMedium2017-01-10–7
Any authenticated user can download full list of users, including email#228399ValidInformation DisclosureMedium2017-06-17$25619
Hidden/restricted tags can be mutated through synonym ID paths without per-tag authorizationAnalysed#3689633ValidInsecure Direct Object ReferenceMedium2026-08-26–31

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 (3,437 analysed so far), which can be wrong. Data as of 2026-11-15.