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.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-mx8m-v8qm-xwr8 Mattermost is vulnerable to DoS due to infinite re-renders on API errors
Fixes

Solution

Update Mattermost to versions 11.2.0, 10.11.9, 11.1.2, 11.0.7 or higher.


Workaround

No workaround given by the vendor.

References
History

Wed, 21 Jan 2026 00:15:00 +0900

Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server

Fri, 16 Jan 2026 23:15:00 +0900

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost
Vendors & Products Mattermost
Mattermost mattermost
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 16 Jan 2026 20:45:00 +0900

Type Values Removed Values Added
Description 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.
Title Application-Level DoS via infinite re-render loop in user profile handling
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2026-01-16T14:09:00.429Z

Reserved: 2025-12-10T09:58:37.817Z

Link: CVE-2025-14435

cve-icon Vulnrichment

Updated: 2026-01-16T14:08:52.842Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-16T12:15:49.583

Modified: 2026-01-20T15:06:30.110

Link: CVE-2025-14435

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-16T22:41:36Z

Weaknesses