CVE-2026-44633

Live Helper Chat is an open-source application that enables live support websites. In 4.84v, the Live Helper Chat REST API chat update endpoint allows a REST user with lhchat/use to update a chat in a department they cannot read. The endpoint accepts arbitrary chat object fields, so the user can...

CVE-2025-66556

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...

CVE-2025-66556

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...

CVE-2025-66556 Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

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...

CVE-2025-66556 Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

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...

EUVD-2025-201458

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...

CVE-2025-66556 Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

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...

CVE-2025-66556

Nextcloud Talk contains a vulnerability in which a participant with chat permissions could delete poll drafts belonging to other participants by ID. Affected software is Nextcloud Talk prior to versions 20.1.8 and 21.1.2. The issue is addressed by upgrading to 20.1.8 or 21.1.2 or later. The conne...

Participants were able to blindly delete poll drafts of other users by ID

None...

PT-2025-49301

Name of the Vulnerable Software and Affected Versions Nextcloud talk versions prior to 20.1.8 Nextcloud talk versions prior to 21.1.2 Description A participant with chat permissions could delete poll drafts of other participants within a conversation by using their numeric ID. This issue affects...

CVE-2024-53994 Potential bypass of chat permissions in Discourse

Discourse is an open source platform for community discussion. In affected versions users who disable chat in preferences could still be reachable in some cases. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should disable...