What is CVE-2025-11794?

CVE-2025-11794 is a medium-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 4.9/10. Published 2025-11-14.

How severe is CVE-2025-11794?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Information disclosure in Mattermost

CVE-2025-11794

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11, 10.12.x <= 10.12.0 fail to sanitize user data which allows system administrators to access password hashes and MFA secrets via the POST /api/v4/users/{user_id}/email/verify/member…

Vulnerability class: Information Disclosure

EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mattermost — versions 10.11.0, 10.5.0, 10.12.0
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-11794?: CVE-2025-11794 is a medium-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 4.9/10. Published 2025-11-14.
How severe is CVE-2025-11794?: Medium severity. CVSS v3 base score is 4.9 out of 10.