Headline
GHSA-qx3f-6vq3-8j8m: Mattermost Path Traversal vulnerability
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
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- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-9079
Mattermost Path Traversal vulnerability
High severity GitHub Reviewed Published Sep 19, 2025 to the GitHub Advisory Database • Updated Sep 19, 2025
Package
gomod github.com/mattermost/mattermost-server (Go)
Affected versions
>= 10.8.0, < 10.8.4
>= 10.5.0, < 10.5.9
>= 9.11.0, < 9.11.18
>= 10.10.0, < 10.10.2
>= 10.9.0, < 10.9.4
Patched versions
10.8.4
10.5.9
9.11.18
10.10.2
10.9.4
gomod github.com/mattermost/mattermost/server/v8 (Go)
< 8.0.0-20250707221302-a8fa77f107ef
8.0.0-20250707221302-a8fa77f107ef
Description
Published to the GitHub Advisory Database
Sep 19, 2025
Last updated
Sep 19, 2025
EPSS score