What is CVE-2025-58075?

CVE-2025-58075 is a high-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 8.1/10. Published 2025-10-16.

How severe is CVE-2025-58075?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Mattermost

CVE-2025-58075

Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server…

Vulnerability class: Broken Access Control

EPSS: 0.003 (22.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Mattermost — versions 10.11.0, 10.10.0, 10.5.0
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-58075?: CVE-2025-58075 is a high-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 8.1/10. Published 2025-10-16.
How severe is CVE-2025-58075?: High severity. CVSS v3 base score is 8.1 out of 10.