Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server

Open Source Vulnerabilities CVE-2025-14435

Mattermost versions 10.11.x <= 10.11.8, 11.1.x <= 11.1.1, 11.0.x <= 11.0.6 fail to prevent infinite re-renders on API errors which allows authenticated users to cause application-level DoS via triggering unbounded component re-render loops.

Open Source Vulnerabilities GO-2026-4326

Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: .

Open Source Vulnerabilities GHSA-mx8m-v8qm-xwr8

Mattermost versions 10.11.x <= 10.11.8, 11.1.x <= 11.1.1, 11.0.x <= 11.0.6 fail to prevent infinite re-renders on API errors which allows authenticated users to cause application-level DoS via triggering unbounded component re-render loops.