apps/calendar/ajax/events.php in ownCloud before 4.5.11 and 5.x before 5.0.6 does not properly check the ownership of a calendar, which allows remote authenticated users to download arbitrary calendars via the calendar_id parameter.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade owncloud. | Aug 30, 2017 | Mar 9, 2014 |
| Freebsd | — | Upgrade owncloud | Dec 10, 2025 | Jun 11, 2013 |
| Panos | — | — | Sep 11, 2020 | Sep 11, 2020 |
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