Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Improper input validation in emoji field leads to sidebar UI denial of serviceAnalysed#3599470 | Valid | Input Validation and Logic | Low | 2026-09-20 | – | 64 |
| Approval app's file-freshness check can be bypassed by omitting the etag parameter, allowing approval of unreviewed file changesAnalysed#3610332 | Valid | Input Validation and Logic | Medium | 2026-09-17 | $150 | 63 |
| Non-admin users can reset app allowlist to the defaultAnalysed#2250398 | Valid | Input Validation and Logic | Medium | 2024-01-18 | – | 28 |
| Application Data Hiding via Invalid `iconName` Causing Frontend Crash in Nextcloud TablesAnalysed#3508852 | Valid | Input Validation and Logic | Low | 2026-10-20 | – | 25 |
| Unrestricted file upload on the image of contactsAnalysed#808287 | Valid | Input Validation and Logic | Low | 2020-07-08 | $100 | 24 |
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 (3,935 analysed so far), which can be wrong. Data as of 2026-11-15.