CVE-2025-14435 — Allocation of Resources Without Limits or Throttling in Mattermost Mattermost-server

CWE-770 — Allocation of Resources Without Limits or Throttling6 documents5 sources
Severity
6.5MEDIUMNVD
CNA6.8
EPSS
0.0%
top 96.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Github.com Mattermost Mattermost-serverMattermost ServerMattermost
Timeline
PublishedJan 16
Latest updateFeb 26

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶NVDmattermost/mattermost_server10.11.0 — 10.11.9+2
▶Gogithub.com/mattermost_mattermost-server10.11.0 — 10.11.9+5
▶CVEListV5mattermost/mattermost10.11.0 — 10.11.8+2

🔴Vulnerability Details

4
OSV
Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server↗2026-02-26
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OSV
Mattermost is vulnerable to DoS due to infinite re-renders on API errors↗2026-01-16
▶
GHSA
Mattermost is vulnerable to DoS due to infinite re-renders on API errors↗2026-01-16
▶
CVEList
Application-Level DoS via infinite re-render loop in user profile handling↗2026-01-16
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-14435 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2025-14435 — MEDIUM severity | cvebase