CVE-2025-54463mediumCWE-754

CVE-2025-54463: medium-severity vulnerability in Mattermost Confluence Plugin

Unexpected Input to Cloud Webhook endpoint Causes DoS in Mattermost Confluence Plugin

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.9epss 0.3%
Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Mattermost · Mattermost Confluence Plugin
Related CVEs — Mattermost Confluence Plugin

In the same product, most dangerous first.

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