CVE-2025-13321

Mattermost Desktop App logging sensitive information and fails to clear data on server deletion

State: Published
Severity: 3.3 Low
Published: Dec 17, 2025
Updated: Dec 17, 2025
Reserved: Nov 17, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	Mattermost

Weaknesses

CWE-532 Insertion of Sensitive Information into Log Files

Affected Products

Product	Versions
MattermostMattermost	6.0.0 and earlierAffected 6.0.0Not affected

References

https://mattermost.com/security-updates

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