Nextcloud · disclosed reports
Information Disclosure
7 disclosed reports · $700 paid · 7 valid
Every dot is a report; the named ones are the most upvoted. Bright dots were paid a bounty. A report opens its page here: our analysis where there is one, and the link to HackerOne. The status is HackerOne's own outcome; "access needed" is only what a title states.
Open Nextcloud on HackerOne- reports
- 7
- valid
- 7
- paid a bounty
- 4
Every one of the 7 is a mark on the map. Named now: 1 to 7, most upvoted first.
- Access to all files of remote user through shared file
- Mail contact autocomplete bypasses administrator-configured user enumeration restrictions and expose member information outside the intended scope
- Events information leaked with shared calendars on recurrence exceptions
- Email Enumeration via Password-Protected Share Identity Verification
- Database error shown to the user when using a long guest name in richdocuments
- Cards in Deck are readable by any user
- Notification implicit PendingIntent in com.nextcloud.client allows to access contacts
paid a bounty
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.