CVE-2025-9079
Admin RCE via prepackaged plugins by way of misconfigured imports directory
CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to validate import directory path configuration which allows admin users to execute arbitrary code via malicious plugin upload to prepackaged plugins directory
| CWE | CWE-22 |
| Vendor | mattermost |
| Product | mattermost |
| Published | Sep 19, 2025 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Mattermost / Mattermost
10.8.0 ≤ 10.8.3 10.5.0 ≤ 10.5.8 9.11.0 ≤ 9.11.17 10.10.0 ≤ 10.10.1 10.9.0 ≤ 10.9.3
Credits
daw10