Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Code injection possible with malformed Nextcloud Talk chat commandsAnalysed#851807 | Valid | Command and Code Injection | – | 2020-06-02 | – | 317 |
| User can delete data in shared folders he's not autorized to accessAnalysed#642515 | Valid | Access Control | – | 2020-04-10 | – | 173 |
| Access to all files of remote user through shared fileAnalysed#258084 | Valid | Information Disclosure | – | 2020-03-01 | – | 154 |
| Attacker can obtain write access to any federated share/public linkAnalysed#1170024 | Valid | Authentication | – | 2021-06-10 | $4,000 | 142 |
| Missing ownership check on remote wipe endpointAnalysed#819807 | Valid | Insecure Direct Object Reference | – | 2020-04-19 | $500 | 141 |
| Remote Code Execution via Extract App PluginAnalysed#546753 | Valid | Command and Code Injection | – | 2019-05-30 | – | 124 |
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 (549 analysed so far), which can be wrong. Data as of 2026-11-14.