CVE-2025-13321

LOW

Mattermost Desktop < 6.0.0 - Log Information Exposure

Title source: rule

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.

References (1)

[Vendor Advisory] https://mattermost.com/security-updates

Scores

CVSS v3 3.3

EPSS 0.0002

EPSS Percentile 5.9%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-532

Status published

Products (2)

mattermost/mattermost_desktop < 6.0.0

npm/mattermost-desktop 0npm

Published Dec 17, 2025

Tracked Since Feb 18, 2026