CVE-2025-52931
Unexpected input to Update Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin
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Unexpected input to Update Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin
Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to update channel subscription endpoint with an invalid request body.
Reserved 2025-07-28 | Published 2025-08-11 | Updated 2025-08-11 | Assigner MattermostCWE-754: Improper Check for Unusual or Exceptional Conditions
Lorenzo Gallegos
mattermost.com/security-updates
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