6.5
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Description
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail prevent disclosure of created user password which allows a malicious attacker to impersonate a user via the use of some of those passwords.. Mattermost Advisory ID: MMSA-2026-00614
Basic Information
ID
CVE-2026-6345
Source
Mattermost
Published
May 18, 2026 at 08:40
Affected Product
Vendor
Mattermost
Product
Mattermost
Version
11.5.0
Affected Versions
Mattermost Mattermost 11.5.0
Mattermost Mattermost 10.11.0
Mattermost Mattermost 11.4.0
Mattermost Mattermost 10.11.0
Mattermost Mattermost 11.4.0