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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.

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




HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-306: Missing Authentication for Critical Function

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-2025-44004)

nvd.nist.gov (CVE-2025-44004)

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