Is CVE-2025-14435 actively exploited?

CVE-2025-14435 has no public evidence of in-the-wild exploitation as of 2026-01-20.

What is the CVSS score for CVE-2025-14435?

CVE-2025-14435 has a CVSS score of 6.8 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H.

How do I patch CVE-2025-14435?

Patch guidance is available from mattermost security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-14435.

CVE-2025-14435 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-14435?

3 products: mattermost mattermost server, mattermost mattermost server, mattermost mattermost server.

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: changed
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-770

Metadata

Primary Vendor: MATTERMOST
Published: 1/16/2026
Last Modified: 1/20/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mattermost : mattermost_servermattermost : mattermost_servermattermost : mattermost_server

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-14435. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-14435

View on NIST NVD

CVE-2025-14435 vulnerability