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Description

Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly enforce access control restrictions for System Manager roles, allowing authenticated users with System Manager privileges to view team details they should not have access to via direct API requests to team endpoints, even when explicitly configured with 'No access' to Teams in the System Console.

PUBLISHED Reserved 2025-04-14 | Published 2025-05-30 | Updated 2025-05-30 | Assigner Mattermost




LOW: 3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Problem types

CWE-863: Incorrect Authorization

Product status

Default status
unaffected

10.7.0 (semver)
affected

10.5.0 (semver)
affected

9.11.0 (semver)
affected

10.8.0
unaffected

10.7.1
unaffected

10.5.4
unaffected

9.11.13
unaffected

Credits

hackit_bharat finder

References

mattermost.com/security-updates

cve.org (CVE-2025-3611)

nvd.nist.gov (CVE-2025-3611)

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