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Bug bounty reports15,219

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

Program:LinkedIn
Status
Severity
Weakness
Year
Bounty paid0
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
  • No account0
  • A user account0
  • A privileged role0
  • Admin0
  • Physical or local access0
  • Not clear from the report0
Clear filters44 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more su#1591504N/AAuthentication–2022-06-15–3
Rate limit Bypass on contact-us through IP Rotator (burp extension)(https://www.linkedin.com/help/linkedin/solve/contact)#1578121N/ANo weakness recorded–2022-06-15–7
Add me email address Authentication bypass#1607645InformativeNo weakness recorded–2022-07-15–8
Attacker can unpin posts from companies he's not part of.#1862677ValidNo weakness recorded–2023-05-12–20
Campaign Account Balance and History Disclosed in API Response#1587374ValidInsecure Direct Object Reference–2022-11-30–21
[ Continuation Report from #1814842 ] Can create articles using other users' NewsLetters#1818969ValidInsecure Direct Object Reference–2023-05-15–23
“See who’s interested in working for your company” - security issue#1945417ValidInformation Disclosure–2023-06-21–28
Ad Account Takeover#1791720ValidAccess Control–2023-07-20–30
HTML injection at Company Name or Product Name and can be shown on Contact Sales form#2076019ValidNo weakness recorded–2023-10-18–32
An Attacker Can Flag Draft Job Posts And Can Disclose The Draft Job Posts Details [ Similar to #1581528 Resolved Report]#1675674ValidInput Validation and Logic–2023-08-24–34
Deny Admin from Editing LinkedIn Company Page using Gen Form Visibility via POST /voyager/api/voyagerOrganizationDashCompanies/{id}#2081744ValidAccess Control–2023-10-19–34
Delete any LinkedIn comment on learning API of other users#1801527ValidAccess Control–2023-05-12–41
bypass two-factor authentication.#1842183ValidAuthentication–2023-08-01–41
CSRF that makes any user send invitations to the attacker by simply clicking on a link.#1961163ValidCross-Site Request Forgery–2023-12-06–41
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 viewed#1837309ValidInsecure Direct Object Reference–2023-05-17–43
Attackers do not need to Pay for a Subscription to get the `Discussion Group URL` in `Paid Learning`#1813450ValidInsecure Direct Object Reference–2023-05-12–44
Privilege Escalation - "Analyst" Role Can View Email Domains of a Company - [GET /voyager/api/voyagerOrganizationDashEmailDomainMappings]#1572591ValidAccess Control–2022-08-26–48
IDOR - Delete technical skill assessment result & Gained Badges result of any user#1592587ValidNo weakness recorded–2022-10-05–48
CSRF that makes any linkedin user follow attacker controlled accounts by simply clicking https://www.linkedin.com/comm/mynetwork/discovery-see-all/*#1964211ValidCross-Site Request Forgery–2023-12-06–53
Html injection in event Description#2215418ValidInput Validation and Logic–2024-01-29–55
Blocking a company page admin prevents him from delete paid media admin or edit his roles#2339192ValidAccess ControlMedium2026-03-05–55
User Details Can Be Disclosed Even If The Account IS In Hibernation State#1728087ValidInformation Disclosure–2023-12-06–57
Users can access exams in course without having to subscribe to PREMIUM#1892888ValidAccess Control–2024-01-10–64
Can access the job name, creator name and can report any draft/under review/rejected job#1581528ValidInsecure Direct Object Reference–2022-07-20–65
Attackers can *Upgrade and claim offer* on the Premium Trial Subscription with a total price of *IDR0.00* from the original *IDR7,022,061.82*#2131224ValidInput Validation and LogicHigh2024-06-18–70
Employee-only Area Bypass#2299571ValidAccess Control–2024-02-19–77
Access to Deactivated LinkedIn Company Pages via Competitor Analytics API#3604288ValidInsecure Direct Object ReferenceMedium2026-03-24–77
Entire database of emails exposed through URN injection#1806939ValidCommand and Code Injection–2023-05-22–79
Forced OAuth authorization using button ID in hash and holding space#2649615ValidAuthenticationMedium2024-12-17–79
Information disclosure by sending a GIF#1801427ValidInput Validation and Logic–2023-04-28–84
Attackers can use TRIAL Premium only by paying **IDR 10,000.00** from the original price of `IDR462,400.00` per month#1808719ValidInsecure Direct Object Reference–2023-08-24–84
IDOR to make someone attend or leave an event#1734639ValidInsecure Direct Object ReferenceMedium2026-03-06–87
Stored XSS on LinkedIn App via iframe tag in Article#2212950ValidCross-site Scripting–2024-02-28–93
An attacker can submit arbitrary projects to their service accounts and obtain full information on projects of other users.#2291999ValidInsecure Direct Object Reference–2024-03-12–94
IDOR allows an attacker to delete anyone's featured photo.#1608735ValidInsecure Direct Object Reference–2023-08-24–99
Improper Access Control - Access to "Active Hiring" (Premium feature) filter results#3235855ValidAccess ControlMedium2026-02-03–100
HTML Injection in LinkedIn Premium Support Chat#3079966ValidNo weakness recordedLow2025-05-07–102
Can see phone numbers of others by providing mail address#2534458ValidInformation DisclosureHigh2024-11-13–111
Unauthorized access to resumes stored on LinkedIn#1777095ValidInsecure Direct Object Reference–2022-12-07–112
Previous commentor on post can still comment even after comment permission is changed to disabled#3151001ValidAccess ControlLow2026-02-03–112
Unauthorized User can View Subscribers of Other Users Newsletters#1716300ValidInsecure Direct Object Reference–2023-03-29–117
Persistent XSS (unvalidated Open Graph embed) at LinkedIn.com#425007ValidNo weakness recorded–2018-10-18–119
Session Cookie Leakage via Static Header Field in WebViewerFragment#3475626ValidMisconfiguration and Insecure DesignHigh2026-03-17–131
Can delete other user's post and company page post#337755ValidAccess Control–2023-04-11–156

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 (227 analysed so far), which can be wrong. Data as of 2026-11-14.

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