Improper Validation of Specified Type of Input Affecting github.com/mattermost/mattermost-plugin-calls package, versions <1.11.0
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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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTPLUGINCALLS-14482551
- published18 Dec 2025
- disclosed17 Dec 2025
- creditUnknown
Introduced: 17 Dec 2025
CVE-2025-12689 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost-plugin-calls to version 1.11.0 or higher.
Overview
github.com/mattermost/mattermost-plugin-calls is a package for voice calling and screen sharing functionality in Mattermost channels.
Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input via the WebSocket request handling. An attacker can cause the Calls plugin to crash by sending a malformed UTF-8 request.