CVE-2025-32093: Syatem admin profile modification by delegated granular administration role

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-14 · updated 2026-06-17
Weakness: CWE-863

Description

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to restrict certain operations on system admins to only other system admins, which allows delegated granular administration users with the "Edit Other Users" permission to perform unauthorized modifications to system administrators via improper permission validation.

Affected products

Mattermost: from 9.11.0 before 9.11.10; from 10.4.0 before 10.4.4; from 10.5.0 before 10.5.2 — fixed in 10.4.4, 10.5.2, 9.11.10

How to fix

Upgrade to a fixed version: Mattermost 10.4.4, 10.5.2, 9.11.10. Check the vendor advisory for mitigations.

References

https://mattermost.com/security-updates

Get alerted when CVE-2025-32093 or the next vulnerability affects your stack