CVE-2025-41395
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mattermost Server
PublishedApr 24, 2025
First seenApr 24, 2025
Weakness typeCWE-1287CWE-1287
How to fix
Update
- mattermost mattermost_server9.11.11, 10.4.3, 10.5.1 or later
- github.com/mattermost/mattermost-plugin-playbooks1.41.0 or later
- github.com/mattermost/mattermost/server/v88.0.0-20250218121836-2b5275d87136 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_server | 9.11.0 ≤ v < 9.11.11, 10.4.0 ≤ v < 10.4.3, 10.5.0 ≤ v < 10.5.1 | 9.11.11, 10.4.3, 10.5.1 |
| github.com/mattermost/mattermost-plugin-playbooksGo | 2.0.0 ≤ v, v < 1.41.0, No range specified | 1.41.0 |
| github.com/mattermost/mattermost/server/v8Go | v < 8.0.0-20250218121836-2b5275d87136, 10.4.0 ≤ v, 10.5.0 ≤ v, 9.11.0 ≤ v, No range specified | 8.0.0-20250218121836-2b5275d87136 |
| github.com/mattermost/mattermost-serverGo | 9.11.0+incompatible ≤ v, 10.4.0+incompatible ≤ v, 10.5.0+incompatible ≤ v | — |
| github.com/mattermost/mattermost-server/v5Go | No range specified | — |
| github.com/mattermost/mattermost-server/v6Go | No range specified | — |
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