CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.9. See the original NVD description below for full technical details.
CVE
CVE-2025-20051
Severity
CRITICAL
CVSS
9.9
EPSS
0.59%
Original NVD 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 input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.
Related CVEs
Other vulnerabilities affecting the same vendor(s)