Insufficiently Protected Credentials Affecting github.com/mattermost/mattermost/server/v8/platform/services/slackimport package, versions >=10.11.0-rc1 <10.11.14-rc1>=11.4.0-rc1 <11.4.4>=11.5.0-rc1 <11.5.2-rc1
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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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV8PLATFORMSERVICESSLACKIMPORT-16873660
- published24 May 2026
- disclosed18 May 2026
- crediteeshan
Introduced: 18 May 2026
CVE-2026-6345 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/v8/platform/services/slackimport to version 10.11.14-rc1, 11.4.4, 11.5.2-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Insufficiently Protected Credentials via the Slack import process. An attacker can gain unauthorized access to user accounts by obtaining disclosed passwords and impersonating users.