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THREATINT
PUBLISHED

CVE-2025-8285

Unauthorized Channel Subscription Creation in Mattermost Confluence Plugin



Description

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.

Reserved 2025-07-28 | Published 2025-08-11 | Updated 2025-08-11 | Assigner Mattermost


MEDIUM: 4.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

Problem types

CWE-862: Missing Authorization

Product status

Default status
unaffected

Any version before 1.5.0
affected

1.5.0
unaffected

Credits

Lorenzo Gallegos finder

References

mattermost.com/security-updates

cve.org (CVE-2025-8285)

nvd.nist.gov (CVE-2025-8285)

Download JSON

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