CVE-2025-14435
Medium
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.
SeverityMedium
CVSS6.8
Exploit probability—
Product
Mattermost Server
PublishedJan 16, 2026
First seenJan 16, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- mattermost mattermost_server10.11.9, 11.0.7, 11.1.2 or later
- github.com/mattermost/mattermost-server10.11.9, 11.1.2, 11.0.7, 10.11.9+incompatible, 11.0.7+incompatible, 11.1.2+incompatible or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_server | 10.11.0 ≤ v < 10.11.9, 11.0.0 ≤ v < 11.0.7, 11.1.0 ≤ v < 11.1.2 | 10.11.9, 11.0.7, 11.1.2 |
| github.com/mattermost/mattermost-serverGo | 10.11.0 ≤ v < 10.11.9, 11.1.0 ≤ v < 11.1.2, 11.0.0 ≤ v < 11.0.7, 10.11.0+incompatible ≤ v < 10.11.9+incompatible, 11.0.1+incompatible ≤ v < 11.0.7+incompatible, 11.1.0+incompatible ≤ v < 11.1.2+incompatible | 10.11.9, 11.1.2, 11.0.7, 10.11.9+incompatible, 11.0.7+incompatible, 11.1.2+incompatible |
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