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CVE-2025-14435

Good to know:

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Date: January 16, 2026

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.

Severity Score

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade Version

Upgrade to version github.com/mattermost/mattermost-server - v10.11.9;github.com/mattermost/mattermost-server - v11.1.2;github.com/mattermost/mattermost-server - v11.0.7;https://github.com/mattermost/mattermost.git - v10.11.9;https://github.com/mattermost/mattermost.git - v11.1.2;https://github.com/mattermost/mattermost.git - v11.0.7

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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