Description

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

INFO

Published Date :

2026-03-16T14:54:45.344Z

Last Modified :

2026-03-16T18:15:37.142Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2026-22545 vulnerability.

Vendors Products
Mattermost
  • Mattermost
  • Mattermost Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-22545.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact