CVE-2025-66556
LOWNextcloud talk <20.1.8-21.1.2 - Info Disclosure
Title source: llmDescription
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.
Scores
CVSS v3
3.5
EPSS
0.0001
EPSS Percentile
2.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Classification
CWE
CWE-639
Status
published
Affected Products (1)
nextcloud/talk
< 20.1.8
Timeline
Published
Dec 05, 2025
Tracked Since
Feb 18, 2026