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Security Advisories

CVE-2025-20051

Published

Last updated

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-20051

CGA ID

CGA-xmf5-r6wg-g734

Severity

9.9

Critical

CVSS V3

Summary

Mattermost allows reading arbitrary files

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.

References

Affected packages


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