Incorrect Authorization Affecting github.com/mattermost/mattermost/server/channels/api4 package, versions >=9.11.0 <9.11.12>=10.5.0 <10.5.3
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-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSAPI4-10189782
- published21 May 2025
- disclosed15 May 2025
- creditBen Cooke
Introduced: 15 May 2025
NewCVE-2025-2527 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/channels/api4 to version 9.11.12, 10.5.3 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization due to the improper verification of user permissions when accessing groups. An attacker can view unauthorized group information by crafting a malicious API request.