CVE-2026-3113 — mmctl export download command doesn’t restrict permissions to created file to file owner
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on…
Published: 2026-03-26 · CVSS: 5.0 · CVSS 3.1
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7