CVE-2026-22545 LOW

CVE-2026-22545: Password Change Bypass via Auth Switch Endpoint

Vendor Mattermost
Product Mattermost
Weakness CWE-863 · Incorrect authorization
Published March 16, 2026
Last update March 16, 2026

CVSS base score

3.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Mattermost versions 10.11.x <= 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID: MMSA-2026-00583

Key dates

02Disclosure timeline

March 16, 2026 CVE published
March 16, 2026 Record updated