VULNERABILITY INTELLIGENCE

CVE-2025-66556

CVSS score3.5 LOW
EPSS probability0.25%
CISA KEVNot currently listed
Published2025-12-05
Last modified2026-10-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-639

Primary references