Security Advisory

CVE-2026-6345

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-18 08:40:00

Last updated 2026-05-19 03:55:27

Assigner Mattermost

CVSS score 6.5

State PUBLISHED

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

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