CVE-2021-32676: Nextcloud Talk

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

Nextcloud Talk is a fully on-premises audio/video and chat communication service. Password protected shared chats in Talk before version 9.0.10, 10.0.8 and 11.2.2 did not rotate the session cookie after a successful authentication event. It is recommended that the Nextcloud Talk App is upgraded to 9.0.10, 10.0.8 or 11.2.2. No workarounds for this vulnerability are known to exist.

Affected products

  • Nextcloud Talk: before 9.0.10 (fixed in 9.0.10); from 10.0.0, before 10.0.8 (fixed in 10.0.8); from 11.2.0, before 11.2.2 (fixed in 11.2.2)

Published 2021-06-16. Last modified 2026-06-17.