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 (4)
Core 4
Core References
Patch, Vendor Advisory x_refsource_confirm
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pr9f-vqgg-m2jh
Issue Tracking, Patch x_refsource_misc
https://github.com/nextcloud/spreed/pull/15532
Patch x_refsource_misc
https://github.com/nextcloud/spreed/commit/bd68e80d1dea98d84c1d621c2c681238cf041725
Issue Tracking, Vendor Advisory x_refsource_misc
https://hackerone.com/reports/3247386
Scores
CVSS v3
3.5
EPSS
0.0002
EPSS Percentile
4.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-639
Status
published
Products (1)
nextcloud/talk
20.0.0 - 20.1.8
Published
Dec 05, 2025
Tracked Since
Feb 18, 2026