CVE-2025-53910: Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create a channel subscription…

PriorityP419medium4CVSS 3.1

AVNACHPRNUINSCCNILAN

EPSS

0.20%

9.5th percentile

Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create a channel subscription without proper access to the channel 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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