CVE-2025-14435: Application-Level DoS via infinite re-render loop in user profile handling

Published Jan 16, 2026
·
Updated

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.

Affected Software

9 affected componentsFixes available
Mattermost<=10.11.8
Mattermost<=11.1.1
Mattermost<=11.0.6
Mattermost Mattermost Server>=10.11.0<10.11.9
Mattermost Mattermost Server>=11.0.0<11.0.7
Mattermost Mattermost Server>=11.1.0<11.1.2
go/github.com/mattermost/mattermost-server>=11.0.0<=11.0.6
11.0.7
go/github.com/mattermost/mattermost-server>=11.1.0<=11.1.1
11.1.2
go/github.com/mattermost/mattermost-server>=10.11.0<=10.11.8
10.11.9

Remediation

Information

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

Event History

Jan 16, 2026
CVE Published
via MITRE·11:25 AM
Data Sourced
via MITRE·11:25 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·12:15 PM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·12:30 PM
Data Sourced
via GitHub·12:30 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-14435?

CVE-2025-14435 is classified as an application-level denial of service vulnerability.

2

How do I fix CVE-2025-14435?

To fix CVE-2025-14435, upgrade Mattermost to version 10.11.9 or later, or 11.1.2 or later, or 11.0.7 or later.

3

Which versions of Mattermost are affected by CVE-2025-14435?

Mattermost versions up to and including 10.11.8, 11.1.1, and 11.0.6 are affected by CVE-2025-14435.

4

What exploit is associated with CVE-2025-14435?

CVE-2025-14435 allows authenticated users to trigger an infinite re-render loop, leading to an application-level denial of service.

5

What are the implications of CVE-2025-14435?

CVE-2025-14435 can cause service disruptions for users by overwhelming the application with infinite re-renders.

Contact

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