CVE-2025-20051 — Arbitrary file read via block duplication in Mattermost Boards
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 …
Published: 2025-02-24 · CVSS: 9.9 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7