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Bug bounty reports15,219

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

Program:LinkedIn
Status:Valid
Clear
Severity
Weakness
Year
Bounty paid0
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed:A user account
Technique
Clear filters21 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Session Cookie Leakage via Static Header Field in WebViewerFragmentAnalysed#3475626ValidMisconfiguration and Insecure DesignHigh2026-03-17–131
Unauthorized User can View Subscribers of Other Users NewslettersAnalysed#1716300ValidInsecure Direct Object ReferenceHigh2023-03-29–117
Previous commentor on post can still comment even after comment permission is changed to disabledAnalysed#3151001ValidAccess ControlLow2026-02-03–112
Unauthorized access to resumes stored on LinkedInAnalysed#1777095ValidInsecure Direct Object ReferenceHigh2022-12-07–112
HTML Injection in LinkedIn Premium Support ChatAnalysed#3079966ValidNo weakness recordedLow2025-05-07–102
Improper Access Control - Access to "Active Hiring" (Premium feature) filter resultsAnalysed#3235855ValidAccess ControlMedium2026-02-03–100
IDOR allows an attacker to delete anyone's featured photo.Analysed#1608735ValidInsecure Direct Object ReferenceMedium2023-08-24–99
An attacker can submit arbitrary projects to their service accounts and obtain full information on projects of other users.Analysed#2291999ValidInsecure Direct Object ReferenceHigh2024-03-12–94
Stored XSS on LinkedIn App via iframe tag in ArticleAnalysed#2212950ValidCross-site ScriptingCritical2024-02-28–93
Attackers can use TRIAL Premium only by paying **IDR 10,000.00** from the original price of `IDR462,400.00` per monthAnalysed#1808719ValidInsecure Direct Object ReferenceHigh2023-08-24–84
Information disclosure by sending a GIFAnalysed#1801427ValidInput Validation and LogicMedium2023-04-28–84
Entire database of emails exposed through URN injectionAnalysed#1806939ValidCommand and Code InjectionMedium2023-05-22–79
Access to Deactivated LinkedIn Company Pages via Competitor Analytics APIAnalysed#3604288ValidInsecure Direct Object ReferenceMedium2026-03-24–77
Can access the job name, creator name and can report any draft/under review/rejected jobAnalysed#1581528ValidInsecure Direct Object ReferenceMedium2022-07-20–65
Users can access exams in course without having to subscribe to PREMIUMAnalysed#1892888ValidAccess ControlMedium2024-01-10–64
Blocking a company page admin prevents him from delete paid media admin or edit his rolesAnalysed#2339192ValidAccess ControlMedium2026-03-05–55
Html injection in event DescriptionAnalysed#2215418ValidInput Validation and LogicLow2024-01-29–55
IDOR - Delete technical skill assessment result & Gained Badges result of any userAnalysed#1592587ValidNo weakness recordedMedium2022-10-05–48
Privilege Escalation - "Analyst" Role Can View Email Domains of a Company - [GET /voyager/api/voyagerOrganizationDashEmailDomainMappings]Analysed#1572591ValidAccess ControlMedium2022-08-26–48
CSRF that makes any user send invitations to the attacker by simply clicking on a link.Analysed#1961163ValidCross-Site Request ForgeryMedium2023-12-06–41
An Attacker Can Flag Draft Job Posts And Can Disclose The Draft Job Posts Details [ Similar to #1581528 Resolved Report]Analysed#1675674ValidInput Validation and LogicMedium2023-08-24–34

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 (2,942 analysed so far), which can be wrong. Data as of 2026-11-15.