Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

Bug Bounty Intelligence

Source: HackerOne public disclosures · updated every 6h

Browse publicly disclosed bug bounty reports from HackerOne. Filter by severity, weakness type, or program. Cross-referenced with CVE IDs where available.

Disclosed Reports
12,219
CVE-linked
1,854
Programs
342
New This Week
11
Severity: All CriticalHighMediumLow
Type: All Information Disclosure 1173 Cross-site Scripting (XSS) … 747 Violation of Secure Design … 719 Improper Access Control - Generic 656 Improper Authentication - Generic 652 Cross-site Scripting (XSS) … 513 Uncontrolled Resource Consumption 483 Cross-site Scripting (XSS) … 461 Cross-Site Request Forgery (CSRF) 421 Privilege Escalation 375
Program filter: nextcloud✕
Private circle can be added to another circle via API despite visibility restriction
Nextcloud Insecure Direct Object Reference (IDOR) (CWE-639)
Low
2026-05-08
Files drop share links for end-to-end encrypted folders allowed to drop files into other folders of the share owner
Nextcloud Insecure Direct Object Reference (IDOR) (CWE-639)
Low
2026-05-08
View-only guests could see deleted Collectives pages in the trashbin
Nextcloud Improper Access Control - Generic (CWE-284)
Low
2026-05-08
WebAuthn app was updated based on public key
Nextcloud Insecure Direct Object Reference (IDOR) (CWE-639)CVE-2025-66558
Low
2026-02-06
Can download files on Android app without permission
Nextcloud Improper Access Control - Generic (CWE-284)
Low
2026-01-16
Predictable proposal participant tokens enable unauthorized access and vote submission
Nextcloud Use of Insufficiently Random Values (CWE-330)CVE-2025-66511
Low
2026-01-04
Stored XSS in contacts app via organisation and title field
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2025-66554
Low
2026-01-04
Calendar app allowed booking appointments without the generated token
Nextcloud Insecure Direct Object Reference (IDOR) (CWE-639)CVE-2025-66546
Low
2025-12-05
Nextcloud Tables v1 Share Enumeration Without Authorization (Regression of CVE-2024-52507)
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2025-66513
Low
2025-12-05
Email not verified when changing afterwards on apps.nextcloud.com
Nextcloud Violation of Secure Design Principles (CWE-657)
Low
2025-09-29
Sensitive Information Disclosure via Back Button Post Logout on https://apps.nextcloud.com/account/
Nextcloud
Low
2025-03-16
Possible to enumerate valid files in password protected shares/files drop shares as well as spam folder with files
Nextcloud Information Disclosure (CWE-200)
Low
2025-02-21
Blind SSRF Vulnerability in Appstore Release Upload Form
Nextcloud Improper Access Control - Generic (CWE-284)
Low
2025-01-14
Nextcloud mail does not respect download permissions in shares
Nextcloud Improper Access Control - Generic (CWE-284)CVE-2024-52509
Low
2024-12-15
Share information of Tables app is not limited to affected users
Nextcloud Insecure Direct Object Reference (IDOR) (CWE-639)CVE-2024-52507
Low
2024-11-18
Attachments folder for Text app is accessible on Files Drop/Password protected shares
Nextcloud Information Disclosure (CWE-200)CVE-2024-52513
Low
2024-11-15
Missing permission check when removing a photo from an album
Nextcloud Improper Access Control - Generic (CWE-284)CVE-2024-37314
Low
2024-07-14
Events information leaked with shared calendars on recurrence exceptions
Nextcloud Information Disclosure (CWE-200)CVE-2024-37887
Low
2024-06-14
OAuth2 "authorization_code" is valid indefinetly
Nextcloud Violation of Secure Design Principles (CWE-657)CVE-2024-22403
Low
2024-02-17
Open redirect in user_saml via RelayState parameter
Nextcloud Open Redirect (CWE-601)CVE-2024-22400
Low
2024-01-18
Top Weakness Types
Most Active Programs
ProgramReportsMax $
U.S. Dept Of Defense896—
Internet Bug Bounty817—
HackerOne609—
Nextcloud582—
Shopify464—
curl439—
Node.js third-party modules307—
GitLab258—
X / xAI250 $2,500
Uber239 $9,895