CVE-2025-11777 (GCVE-0-2025-11777)
Vulnerability from cvelistv5
Published
2025-11-13 17:32
Modified
2025-11-13 18:01
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.11.0   ≤ 10.11.3
Version: 10.5.0   ≤ 10.5.11
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