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Bug bounty reports15,219

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

Program:Slack
Status
Severity
Weakness
Year
Bounty paid0
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
Technique:Parameter pollution
Clear filters2 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Ability to join an arbitrary workspace by utilizing a proxy to manipulate invite linksAnalysed#1716016ValidAuthenticationCritical2023-06-23–109
HTTP parameter pollution from outdated Greenhouse.io JS dependencyAnalysed#335339ValidInjection and SmugglingMedium2018-07-19–26

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.