Vulnerability · Published Jan 16, 2026 · Assigned by Mattermost
CVE-2025-14435Application-Level DoS via infinite re-render loop in user profile handling
Medium 6.8
In plain English
A medium-severity resource allocation without limits in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 10.11.9 | GHSA-mx8m-v8qm-xwr8 |
| Go | github.com/mattermost/mattermost-server | 11.1.2 | GHSA-mx8m-v8qm-xwr8 |
| Go | github.com/mattermost/mattermost-server | 11.0.7 | GHSA-mx8m-v8qm-xwr8 |
| Go | github.com/mattermost/mattermost-server | 10.11.9+incompatible, 11.0.7+incompatible, 11.1.2+incompatible | GO-2026-4326 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 10.11.0 – through 10.11.811.1.0 – through 11.1.111.0.0 – through 11.0.6 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H