CVE-2025-11794

Name: CVE-2025-11794
Creator: NVD / NIST
Published: 2025-11-14T11:15:45.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2025-11794 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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 endpoint. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

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 endpoint

Metrics

CVSS 3.1

4.9/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.24%

15.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 10.5.0, < 10.5.12
Mattermost	Mattermost Server	>= 10.11.0, < 10.11.4
Mattermost	Mattermost Server	>= 10.12.0, < 10.12.1

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Nov 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-11794?

How severe is CVE-2025-11794?

CVE-2025-11794 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2025-11794?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-11794?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST