MEDIUM 5.4 Go
Mattermost has a Missing Authorization vulnerability
GHSA-3q4q-wqm6-hvf3 · CVE-2025-41410 · GO-2025-4029
Published · Modified
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Description
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
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-41410
- WEB https://github.com/mattermost/mattermost/commit/01b95392a450676407475596d1c041a047067329
- WEB https://github.com/mattermost/mattermost/commit/0d6e8fa2e4681a172a136db18001104a57f9c28e
- WEB https://github.com/mattermost/mattermost/commit/ef896a4ea60cacbe03124106e1f42e5c25276427
- PACKAGE https://github.com/mattermost/mattermost
- WEB https://mattermost.com/security-updates
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