CVE-2025-44004: Mattermost Confluence Plugin version <1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel…

PriorityP342high7.2CVSS 3.1

AVNACLPRNUINSCCLILAN

EPSS

0.20%

10.3th percentile

Mattermost Confluence Plugin version <1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create 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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