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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
14
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✕
Approval app allows users to request approval for other users file
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2025-66515
Medium
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
Ability to by-pass second factor
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2024-37313
Medium
2024-07-14
App PIN code can be bypassed in Files iOS
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2023-49790
Low
2023-12-18
No Rate Limit On Forgot Password on https://apps.nextcloud.com
Nextcloud Improper Authentication - Generic (CWE-287)
Unknown
2023-09-26
App pin of the Android app can be bypassed via 3rdparty apps generating deep links
Nextcloud Improper Authentication - Generic (CWE-287)
Low
2023-05-04
[nextcloud/server] Moment.js vulnerable to Inefficient Regular Expression Complexity
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2022-31129
Unknown
2022-12-09
Federated shares are not password protected
Nextcloud Improper Authentication - Generic (CWE-287)
Medium
2021-06-16
Attacker can obtain write access to any federated share/public link
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2021-32654
High
2021-06-10
PIN for passwordless WebAuthn is asked for but not verified
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2020-8236
Medium
2020-10-28
Recently change email but still login with old email
Nextcloud Improper Authentication - Generic (CWE-287)
High
2020-09-29
Talk - Leak of password-protected room name via already existent resource addition
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2019-15620
Low
2020-03-01
Bypass configured 2FA provider with another provider that can be set up at login
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2019-15617
Medium
2020-03-01
LDAP login possible even though account doesn't match user filter
Nextcloud Improper Authentication - Generic (CWE-287)
None
2019-07-27
Bypassing lock protection
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2019-5455
Low
2019-07-26
NextCloud is also Accepting OCTET-STREAM Type of Documents instead of jpg or Imge Files Only
Nextcloud Improper Authentication - Generic (CWE-287)
Unknown
2019-04-11
Authentication Issue
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2018-16464
Unknown
2018-10-25
twofactor_auth bypassable if provider fails to load
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2018-16465
Low
2018-09-27
bypass of 2FA
Nextcloud Improper Authentication - Generic (CWE-287)CVE-2018-3775
High
2018-07-29
Missing Rate Limit for Current Password field in nextcloud.com
Nextcloud Improper Authentication - Generic (CWE-287)
Low
2017-05-20
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