CVE 6.5 MEDIUM

Prevent password disclosure and force reset during Slack import_CVE-2026-6345

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

CWE Classification

References

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