CVE-2025-54478: Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to…

PriorityP334medium5.3CVSS 3.1

AVNACLPRNUINSUCNILAN

EPSS

0.24%

15.0th percentile

Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-plugin-confluence	>= 0 < 1.5.0	1.5.0
mattermost	confluence	< 1.5.0	1.5.0
mattermost	mattermost_confluence_plugin	< 1.5.0	1.5.0

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