CVE-2025-41395

high

Description

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.

References

https://mattermost.com/security-updates

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-12104

Details

Source: Mitre, NVD

Published: 2025-04-24

Updated: 2025-10-01

Named Vulnerability: GO-2025-3642Named Vulnerability: GHSA-3g36-gf7c-75qw

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.005