CVE-2025-14435
published 2026-01-16CVE-2025-14435: 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…
PriorityP336medium6.5CVSS 3.1
AVNACLPRLUINSUCNINAH
EPSS
0.27%
19.5th percentile
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
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.11.0 < 10.11.9 | 10.11.9 |
| github.com | mattermost_mattermost-server | >= 10.11.0+incompatible < 10.11.9+incompatible | 10.11.9+incompatible |
| github.com | mattermost_mattermost-server | >= 11.0.0 < 11.0.7 | 11.0.7 |
| github.com | mattermost_mattermost-server | >= 11.0.1+incompatible < 11.0.7+incompatible | 11.0.7+incompatible |
| github.com | mattermost_mattermost-server | >= 11.1.0 < 11.1.2 | 11.1.2 |
| github.com | mattermost_mattermost-server | >= 11.1.0+incompatible < 11.1.2+incompatible | 11.1.2+incompatible |
| mattermost | mattermost | 10.11.0 – 10.11.8 | — |
| mattermost | mattermost | 11.0.0 – 11.0.6 | — |
| mattermost | mattermost | 11.1.0 – 11.1.1 | — |
| mattermost | mattermost_server | >= 10.11.0 < 10.11.9 | 10.11.9 |
| mattermost | mattermost_server | >= 11.0.0 < 11.0.7 | 11.0.7 |
| mattermost | mattermost_server | >= 11.1.0 < 11.1.2 | 11.1.2 |
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OSV
Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server
osv·2026-02-26
CVE-2025-14435 Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server
Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server
Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: .
OSV
Mattermost is vulnerable to DoS due to infinite re-renders on API errors
osv·2026-01-16
CVE-2025-14435 [MEDIUM] Mattermost is vulnerable to DoS due to infinite re-renders on API errors
Mattermost is vulnerable to DoS due to infinite re-renders on API errors
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.
GHSA
Mattermost is vulnerable to DoS due to infinite re-renders on API errors
ghsa·2026-01-16
CVE-2025-14435 [MEDIUM] CWE-770 Mattermost is vulnerable to DoS due to infinite re-renders on API errors
Mattermost is vulnerable to DoS due to infinite re-renders on API errors
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.
No detection rules found.
No public exploits indexed.
2026-01-16
Published