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.
{ "nvd_published_at": "2025-02-24T08:15:10Z", "cwe_ids": [ "CWE-22" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2025-02-24T18:28:16Z" }