CVE-2026-6345

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N                                    

Vulnerability 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

Vulnerability Details

Published Date

May 18, 2026

Last Modified

May 18, 2026

CWE ID

CWE-522

Source

NVD

Vendor

mattermost

Product

mattermost_server

External References

https://mattermost.com/security-updates

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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