Low severityOSV Advisory· Published Dec 17, 2025· Updated Dec 17, 2025
Mattermost Desktop App logging sensitive information and fails to clear data on server deletion
CVE-2025-13321
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mattermost-desktopnpm | <= 3.6.0 | — |
Affected products
2- Range: 4.7.0-beta, beta2, v0.1.0, …
Patches
Vulnerability mechanics
References
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