PT-2026-25757 · Mattermost · Mattermost

Daw10 · Published 2026-03-16 · Updated 2026-03-16 · CVE-2026-22545

NVD

CVSS v3.1

3.1

3.1

Low

Base vector

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

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

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-22545

Affected Products

Mattermost

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-22545 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory