CVE-2025-44004
HIGHMattermost Confluence Plugin < 1.5.0 - Unauthenticated Channel Subscription via API Endpoint
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory
https://mattermost.com/security-updates
Scores
CVSS v3
7.2
EPSS
0.0007
EPSS Percentile
20.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-306
Status
published
Products (2)
mattermost/confluence
< 1.5.0
mattermost/mattermost-plugin-confluence
0 - 1.5.0Go
Published
Aug 11, 2025
Tracked Since
Feb 18, 2026