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Bug bounty reports15,219

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

Program:LinkedIn
Status
Severity:Medium
Clear
Weakness
Year
Bounty paid0
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
Technique
Clear filters25 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
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
IDOR to make someone attend or leave an eventAnalysed#1734639ValidInsecure Direct Object ReferenceMedium2026-03-06–87
Information disclosure by sending a GIFAnalysed#1801427ValidInput Validation and LogicMedium2023-04-28–84
Forced OAuth authorization using button ID in hash and holding spaceAnalysed#2649615ValidAuthenticationMedium2024-12-17–79
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
Employee-only Area BypassAnalysed#2299571ValidAccess ControlMedium2024-02-19–77
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
CSRF that makes any linkedin user follow attacker controlled accounts by simply clicking https://www.linkedin.com/comm/mynetwork/discovery-see-all/*Analysed#1964211ValidCross-Site Request ForgeryMedium2023-12-06–53
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
Attackers do not need to Pay for a Subscription to get the `Discussion Group URL` in `Paid Learning`Analysed#1813450ValidInsecure Direct Object ReferenceMedium2023-05-12–44
Anyone can view the results of linkedin skill test -if failed to earn a badge or if the badge earned is kept private: both cases results can be viewedAnalysed#1837309ValidInsecure Direct Object ReferenceMedium2023-05-17–43
CSRF that makes any user send invitations to the attacker by simply clicking on a link.Analysed#1961163ValidCross-Site Request ForgeryMedium2023-12-06–41
bypass two-factor authentication.Analysed#1842183ValidAuthenticationMedium2023-08-01–41
Delete any LinkedIn comment on learning API of other usersAnalysed#1801527ValidAccess ControlMedium2023-05-12–41
Deny Admin from Editing LinkedIn Company Page using Gen Form Visibility via POST /voyager/api/voyagerOrganizationDashCompanies/{id}Analysed#2081744ValidAccess ControlMedium2023-10-19–34
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
“See who’s interested in working for your company” - security issueAnalysed#1945417ValidInformation DisclosureMedium2023-06-21–28
[ Continuation Report from #1814842 ] Can create articles using other users' NewsLetters#1818969ValidInsecure Direct Object ReferenceMedium2023-05-15–23
Campaign Account Balance and History Disclosed in API Response#1587374ValidInsecure Direct Object ReferenceMedium2022-11-30–21
The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more su#1591504N/AAuthenticationMedium2022-06-15–3

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.