CVE-2025-44004

HIGH7.2EPSS 0.07%

Mattermost Confluence Plugin is Missing Authentication for Critical Function

Published: 8/11/2025Modified: 8/18/2025

Also known as:GHSA-6ff3-jgxh-vffjGO-2025-3865

Description

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 packages (2)

Go/github.com/mattermost/mattermost-plugin-confluencefrom 0, < 1.5.0
Go/github.com/mattermost/mattermost-plugin-confluencefrom 0, < 1.5.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References (4)

ADVISORYhttps://github.com/advisories/GHSA-6ff3-jgxh-vffj
ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-44004
PATCHhttps://github.com/mattermost/mattermost-plugin-confluence
WEBhttps://mattermost.com/security-updates