Vulnerability Details CVE-2026-14298
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to properly limit resource consumption when processing certain user-supplied input, which allows an authenticated user to cause a denial of service. Mattermost Advisory ID: MMSA-2026-00713
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 14.7%
CVSS Severity
CVSS v3 Score 6.5
References