CVE-2025-25279

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate board blocks when importing boards which allows an attacker could read any arbitrary file on the system via importing and exporting a specially crafted import archive in Boards.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 24, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-25279: High severity, CVSS 7.5 | Vulnix