PT-2026-65500 · Mattermost · Mattermost

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CVE-2026-7521

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Published

2026-07-28

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Updated

2026-07-28

CVSS v3.1

5.5

Medium

VectorAV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint.. Mattermost Advisory ID: MMSA-2026-00666

Fix

Path traversal

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Weakness Enumeration

Related Identifiers

CVE-2026-7521

Affected Products

Mattermost