CVE-2025-8285
MEDIUMMattermost Confluence Plugin < 1.5.0 - Missing Authorization via Channel Subscription API
Title source: llmDescription
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create channel subscription without proper access to the channel 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
4.0
EPSS
0.0005
EPSS Percentile
16.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
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