CVE-2025-49222 (GCVE-0-2025-49222)
Vulnerability from cvelistv5
Published
2025-08-21 07:59
Modified
2025-08-21 13:57
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2, 10.10.x <= 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to upload non-attachment file types via shared channels that could potentially be placed in arbitrary filesystem directories.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.8.0   ≤ 10.8.3
Version: 10.5.0   ≤ 10.5.8
Version: 9.11.0   ≤ 9.11.17
Version: 10.9.0   ≤ 10.9.2
Version: 10.10.0   ≤ 10.10.0
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