CVE-2026-6345
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
May 18, 2026
Vendor
unknown
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