Privilege Context Switching Error Affecting github.com/mattermost/mattermost/server/channels/api4 package, versions >=10.5.0-rc1 <10.5.13>=10.11.0-rc1 <10.11.5>=10.12.0-rc1 <10.12.2>=11.0.0-alpha.1 <11.0.3
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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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSAPI4-14157900
- published2 Dec 2025
- disclosed1 Dec 2025
- creditUnknown
Introduced: 1 Dec 2025
NewCVE-2025-12756 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/channels/api4 to version 10.5.13, 10.11.5, 10.12.2, 11.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Privilege Context Switching Error in the current user session. An attacker can remove comments created by other users by sending crafted requests with insufficient permission checks.