Incorrect Authorization Affecting github.com/mattermost/mattermost/server/channels package, versions >=10.11.0 <10.11.16>=11.5.0 <11.5.5>=11.6.0 <11.6.2>=11.7.0-rc1 <11.7.0
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-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELS-17661026
- published28 Jun 2026
- disclosed12 Jun 2026
- creditUnknown
Introduced: 12 Jun 2026
CVE-2026-7387 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/channels to version 10.11.16, 11.5.5, 11.6.2, 11.7.0 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization via the scheme_admin flag in group syncable link and patch endpoints. An attacker can gain unauthorized administrative privileges by sending crafted API requests.