CVE-2025-13321
Low
Description
Mattermost Desktop App versions <6.0.0 fail to sanitize sensitive information from Mattermost logs and clear data on server deletion which allows an attacker with access to the users system to gain access to potentially sensitive information via reading the application logs.
SeverityLow
CVSS3.3
Exploit probability—
Product
Mattermost Desktop
PublishedDec 17, 2025
First seenDec 17, 2025
Weakness typeCWE-532CWE-532
How to fix
Update
- mattermost mattermost_desktop6.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_desktop | v < 6.0.0 | 6.0.0 |
| mattermost-desktopnpm | v ≤ 3.6.0 | — |
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