Nextcloud · disclosed reports
Memory Corruption
7 disclosed reports · $0 paid
Every dot is a report; the named ones are the most upvoted. Bright dots were paid a bounty. Reports open on HackerOne.
Open Nextcloud on HackerOne- reports
- 7
- paid a bounty
- 0
Every one of the 7 is a mark on the map. Named now: 1 to 7, most upvoted first.
- Improper input validation On Exported deep-link handler crashes `FileDisplayActivity` on crafted external URL — Denial-of-Service
- SMTP header injection via C-escape `\r` in the recipient display name
- Improper Input Validation and Integer Overflow in timeamount parameter of files_retention app
- Persistent SMTP header injection via identity `organization` / `name`
- High memory usage for generating preview of broken image
- nextcloud.com: Mail Bombing ( No Rate Limiting On Sending Emails On Contact us Page)
- Missing memory corruption protection on Windows release built
paid a bounty
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-14. CVE List through 2026-11-14 · EPSS of 2026-11-13 · CISA KEV checked 2026-11-14. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.