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.
{
"severity": "CRITICAL",
"nvd_published_at": "2025-02-24T08:15:10Z",
"github_reviewed": true,
"github_reviewed_at": "2025-02-24T18:28:21Z",
"cwe_ids": [
"CWE-22"
]
}