CVE-2025-41410: Mattermost has a Missing Authorization vulnerability
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.
References
- github.com/advisories/GHSA-3q4q-wqm6-hvf3
- github.com/mattermost/mattermost
- github.com/mattermost/mattermost/commit/01b95392a450676407475596d1c041a047067329
- github.com/mattermost/mattermost/commit/0d6e8fa2e4681a172a136db18001104a57f9c28e
- github.com/mattermost/mattermost/commit/ef896a4ea60cacbe03124106e1f42e5c25276427
- mattermost.com/security-updates
- nvd.nist.gov/vuln/detail/CVE-2025-41410
Code Behaviors & Features
Detect and mitigate CVE-2025-41410 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →