CVE-2025-66556 | Nextcloud Talk up to 20.1.7/21.1.1 Conversation authorization (GHSA-pr9f-vqgg-m2jh)

A vulnerability, which was classified as problematic, has been found in Nextcloud Talk up to 20.1.7/21.1.1. Impacted is an unknown function of the component Conversation Handler. The manipulation leads to authorization bypass.

This vulnerability is traded as CVE-2025-66556. It is possible to initiate the attack remotely. There is no exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More