VDB
CISA-2025-41410
CISA-2025-41410
PUBLISHED
CVSS 5.4 MEDIUM
Reported by Mattermost · Published October 16, 2025
Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions
Risk Scores
CVSS 3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 10.10.0, 10.5.0, 10.11.0 |
| Mattermost | Mattermost | 10.10.0, 10.5.0, 10.12.0 |
Timeline
- Oct 16, 2025 CVE Published
- Oct 16, 2025 CVE Updated