CVE-2025-54525

Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to create channel subscription endpoint with an invalid request body.

Score

CVSS 3.1 7.5 High

Status

Analyzed - responsibledisclosure@mattermost.com

Published

2025-08-11

Last modified

2025-08-11

Weaknesses

CWE-1287

Affected products

• Confluence (Mattermost)
• Mattermost Confluence Plugin (Mattermost)

References

• https://mattermost.com/security-updates