Incorrect Authorization Affecting github.com/mattermost/mattermost/server/channels/api4 package, versions >=9.11.0 <9.11.12>=10.4.0 <10.4.5>=10.5.0 <10.5.3>=10.6.0 <10.6.2
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-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSAPI4-10231816
- published23 May 2025
- disclosed15 May 2025
- credit0x7oda7123
Introduced: 15 May 2025
CVE-2025-3446 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/channels/api4 to version 9.11.12, 10.4.5, 10.5.3, 10.6.2 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization due to improper validation of team invite permissions. An attacker can bypass access restrictions by exploiting the API to add unauthorized guest users to a team.
Note:
This is only exploitable if the attacker is authenticated and has permission to invite non-guest users.