Nextcloud · disclosed reports
Open Redirect
6 disclosed reports · $400 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
- 6
- paid a bounty
- 2
Every one of the 6 is a mark on the map. Named now: 1 to 6, most upvoted first.
- http://www.nextcloud.com/wp-includes/js/swfupload/swfupload.swf allows open redirect / site defacement
- Open redirect when logging in with user_oidc
- Event create can create attachments that link to other websites
- Open redirect in user_saml via RelayState parameter
- https://xmpp.nextcloud.com///;@www.google.com allows open redirect
- Open redirect on "Unsupported browser" warning
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.