CVE-2025-41395

Webapp DoS via malicious retrospective post in Playbooks

State: Published
Severity: 6.5 Medium
Published: Apr 24, 2025
Updated: Apr 24, 2025
Reserved: Apr 22, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	Mattermost

Weaknesses

CWE-1287 Improper Validation of Specified Type of Input

Affected Products

Product	Versions
MattermostMattermost	10.4.0 through 10.4.2Affected 10.5.0Affected 9.11.0 through 9.11.10Affected 10.6.0Not affected 10.4.3Not affected 10.5.1Not affected 9.11.11Not affected

References

https://mattermost.com/security-updates

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.