CVE-2025-41410
published 2025-10-16CVE-2025-41410: 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…
medium5.4CVSS 3.1
AVNACLPRLUINSUCLILAN
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
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.10.0 < 10.10.3 | 10.10.3 |
| github.com | mattermost_mattermost-server | >= 10.10.0+incompatible < 10.10.3+incompatible | 10.10.3+incompatible |
| github.com | mattermost_mattermost-server | >= 10.11.0 < 10.11.3 | 10.11.3 |
| github.com | mattermost_mattermost-server | >= 10.11.0+incompatible < 10.11.3+incompatible | 10.11.3+incompatible |
| github.com | mattermost_mattermost-server | >= 10.5.0 < 10.5.11 | 10.5.11 |
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.11+incompatible | 10.5.11+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250822083415-01b95392a450 | 8.0.0-20250822083415-01b95392a450 |
| mattermost | mattermost | 10.10.0 – 10.10.2 | — |
| mattermost | mattermost | 10.11.0 – 10.11.2 | — |
| mattermost | mattermost | 10.5.0 – 10.5.10 | — |
| mattermost | mattermost_server | >= 10.10.0 < 10.10.3 | 10.10.3 |
| mattermost | mattermost_server | >= 10.11.0 < 10.11.3 | 10.11.3 |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.11 | 10.5.11 |