CVE-2021-37628

Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features ("Upload Only" public link shares in Nextcloud) can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended that the Nextcloud Richdocuments is upgraded to 3.8.4 or 4.2.1. If upgrading is not possible then it is recommended to disable the Richdocuments application.

• CWE-639
• CWE-639

• https://github.com/nextcloud/richdocuments/pull/1664Patch, Third Party Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxhh-954f-8w7wThird Party Advisory
• https://hackerone.com/reports/1253403Permissions Required, Third Party Advisory
• https://github.com/nextcloud/richdocuments/pull/1664Patch, Third Party Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxhh-954f-8w7wThird Party Advisory
• https://hackerone.com/reports/1253403Permissions Required, Third Party Advisory

Published

Sep 7, 2021

Last Modified

Jun 17, 2026

Status

Modified

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