CVE-2025-9079
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-19
Last updated on: 2025-09-25
Assigner: Mattermost, Inc.
Description
Description
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
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mattermost | mattermost_server | From 9.11.0 (inc) to 9.11.18 (exc) |
| mattermost | mattermost_server | From 10.5.0 (inc) to 10.5.9 (exc) |
| mattermost | mattermost_server | From 10.8.0 (inc) to 10.8.4 (exc) |
| mattermost | mattermost_server | From 10.9.0 (inc) to 10.9.4 (exc) |
| mattermost | mattermost_server | From 10.10.0 (inc) to 10.10.2 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in certain versions of Mattermost where the software fails to properly validate the import directory path configuration. This flaw allows admin users to execute arbitrary code by uploading a malicious plugin to the prepackaged plugins directory.
How can this vulnerability impact me? :
An attacker with admin privileges could exploit this vulnerability to execute arbitrary code on the affected system. This could lead to full system compromise, including unauthorized access, data theft, or disruption of services.
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