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VULNERABILITIES

CVE-2025-20088 Details

Description

Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://mattermost.com/security-updates [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1287Improper Validation of Specified Type of Input[email protected]

Affected Products

ProductVersions
mattermost mattermost server
>= 9.11.0, < 9.11.6
>= 10.0.0, < 10.0.4
>= 10.1.0, < 10.1.4
10.2.0

CPE

  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
  • cpe:2.3:a:mattermost:mattermost_server:10.2.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-20088
NVD Published Date:
Jan 15, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2025-20088 Details - Not Deferred