6 matches found
EUVD-2026-60542
Mattermost versions 10.11.x = 10.11.20, 11.7.x = 11.7.5 Mattermost fails to remove thread membership records when a user is removed from or leaves a team, which allows a previously removed user who is later re-invited to the team to view private channel thread root post content and metadata via t...
CVE-2026-9693 Mattermost thread memberships persist after team removal, exposing private channel thread metadata on re-invite
Mattermost versions 10.11.x = 10.11.20, 11.7.x = 11.7.5 Mattermost fails to remove thread membership records when a user is removed from or leaves a team, which allows a previously removed user who is later re-invited to the team to view private channel thread root post content and metadata via t...
CVE-2026-9693
Mattermost 10.11.x (≤10.11.20) and 11.7.x (≤11.7.5) fail to delete thread membership records when a user leaves or is removed from a team. A previously removed user who is later re-invited can access private channel thread root post content and metadata via the team threads API, causing low confi...
CVE-2026-9693
Mattermost versions 10.11.x = 10.11.20, 11.7.x = 11.7.5 Mattermost fails to remove thread membership records when a user is removed from or leaves a team, which allows a previously removed user who is later re-invited to the team to view private channel thread root post content and metadata via t...
CVE-2026-9693 Mattermost thread memberships persist after team removal, exposing private channel thread metadata on re-invite
Mattermost versions 10.11.x = 10.11.20, 11.7.x = 11.7.5 Mattermost fails to remove thread membership records when a user is removed from or leaves a team, which allows a previously removed user who is later re-invited to the team to view private channel thread root post content and metadata via t...
PT-2026-76875
Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.0 through 10.11.20 Mattermost versions 11.7.0 through 11.7.5 Description The software fails to remove thread membership records when a user leaves or is removed from a team. This allows a user who is subsequently...