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Bug bounty reports15,219

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

Program:GitLab
Status
Severity
Weakness:Denial of Service
Clear
Year
Bounty paid5
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed:A user account
Technique
Clear filters7 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
DoS on the Issue page by exploiting Mermaid.Analysed#470067ValidDenial of ServiceMedium2019-05-13$3,000145
DoS attack via comment on IssueAnalysed#557154ValidDenial of ServiceLow2019-11-21$1,00084
DOS: taking down a 1k users Gitlab EE instance or multiple Sidekiq instances by importing a malicious repo from a Github EE self-hosted serverAnalysed#2499070ValidDenial of ServiceMedium2024-10-09$2,30064
All functions that allow users to specify color code are vulnerable to ReDoSAnalysed#511381ValidDenial of ServiceLow2019-08-21$1,00053
Clientside resource Exhausting by exploiting gitlab math renderingAnalysed#549040ValidDenial of ServiceLow2019-10-01–50
Uncontrolled Resource Consumption in any Markdown field using MermaidAnalysed#670572ValidDenial of ServiceMedium2019-12-20–31
DOS via issue previewAnalysed#1543718ValidDenial of ServiceHigh2022-11-04$7,64025

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 (3,935 analysed so far), which can be wrong. Data as of 2026-11-15.