What is CVE-2025-24866?

CVE-2025-24866 is a low-severity vulnerability in Mattermost, classified under Incorrect Authorization. CVSS score: 2.7/10. Published 2025-04-10.

How severe is CVE-2025-24866?

Low severity. CVSS v3 base score is 2.7 out of 10.

Auth bypass in Mattermost

CVE-2025-24866

Mattermost versions 9.11.x <= 9.11.8 fail to enforce proper access controls on the /api/v4/audits endpoint, allowing users with delegated granular administration roles who lack access to Compliance Monitoring to retrieve User Activity Log…

Vulnerability class: Broken Access Control

EPSS: 0.002 (14.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mattermost — versions 9.11.0, 10.5.0, 9.11.9
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-24866?: CVE-2025-24866 is a low-severity vulnerability in Mattermost, classified under Incorrect Authorization. CVSS score: 2.7/10. Published 2025-04-10.
How severe is CVE-2025-24866?: Low severity. CVSS v3 base score is 2.7 out of 10.