Improper Check for Unusual or Exceptional Conditions Affecting github.com/mattermost/mattermost-plugin-zoom/server package, versions <1.12.0-rc1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTPLUGINZOOMSERVER-15855874
- published31 Mar 2026
- disclosed26 Mar 2026
- creditthecybertantrik
Introduced: 26 Mar 2026
CVE-2026-3109 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost-plugin-zoom/server to version 1.12.0-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions due to missing timestamp validation in the Zoom webhook handler. An attacker can corrupt meeting state by replaying webhook requests.