Detections
Analytics
CVE-2025-66556
low
Description
Nextcloud talk is a video & audio conferencing app for Nextcloud. Prior to 20.1.8 and 21.1.2, a participant with chat permissions was able to delete poll drafts of other participants within the conversation based on their numeric ID. This vulnerability is fixed in 20.1.8 and 21.1.2.
References
https://hackerone.com/reports/3247386
https://github.com/nextcloud/spreed/pull/15532
https://github.com/nextcloud/spreed/commit/bd68e80d1dea98d84c1d621c2c681238cf041725
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pr9f-vqgg-m2jh