Missing Authorization Affecting github.com/mattermost/mattermost/server/channels/store/sqlstore package, versions <10.11.11>=11.2.0-rc1 <11.2.3>=11.3.0-rc1 <11.3.1
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-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSSTORESQLSTORE-15702042
- published20 Mar 2026
- disclosed16 Mar 2026
- credit0x7oda7123
Introduced: 16 Mar 2026
CVE-2026-2458 Â (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/channels/store/sqlstore to version 10.11.11, 11.2.3, 11.3.1 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization in the channel search API endpoint. An attacker can access information about all public channels within a private team by querying the API after being removed from the team.