high8.0
CVE-2025-9079
Mattermost Path Traversal vulnerability
Impact
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
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server | >= 10.8.0, < 10.8.4 | 10.8.4 |
| go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250707221302-a8fa77f107ef | 8.0.0-20250707221302-a8fa77f107ef |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 9.11.0 before 9.11.18 from 10.5.0 before 10.5.9 from 10.8.0 before 10.8.4 from 10.9.0 before 10.9.4 from 10.10.0 before 10.10.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-qx3f-6vq3-8j8m
- https://nvd.nist.gov/vuln/detail/CVE-2025-9079
- https://github.com/mattermost/mattermost/commit/047a2c64071749367fe02d2162f6103a3d31a883
- https://github.com/mattermost/mattermost/commit/439464883aa16a329c23cd6274c4cca7e88e238f
- https://github.com/mattermost/mattermost/commit/4ff68eea0a3f3777032d31a1a82f4b1fb492a1ac
- https://github.com/mattermost/mattermost/commit/96665b9b98a17534fcd515982a2eb26950581e41
- https://github.com/mattermost/mattermost/commit/a8fa77f107efe83f09a779f8e67cbecf236b0032
- https://github.com/mattermost/mattermost/commit/b38e2eccda182212a8032539658723c7d87e0b7e
- https://pkg.go.dev/vuln/GO-2025-3977