CVE-2026-22545
low-risk
Published 2026-03-16
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
Do I need to act?
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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.1/10
Low
NETWORK
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (1)
Vendor Advisory
https://mattermost.com/security-updates
16
/ 100
low-risk
Severity
11/34 · Low
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal