Missing Authorization Affecting github.com/mattermost/mattermost/server/v8 package, versions <8.0.0-20250822083415-01b95392a450
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV8-13601252
- published17 Oct 2025
- disclosed16 Oct 2025
- creditUnknown
Introduced: 16 Oct 2025
NewCVE-2025-41410 Â (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/v8 to version 8.0.0-20250822083415-01b95392a450 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization via the Slack import functionality. An attacker can create verified user accounts with arbitrary email domains by submitting malicious import data to bypass email-based team access restrictions.