CVE-2025-9079
Mattermost Path Traversal vulnerability in github.com/mattermost/mattermost-server
8.0
HIGH
CVSS 3.1
EPSS 0.06%
Description
Mattermost Path Traversal vulnerability in github.com/mattermost/mattermost-server
How to fix CVE-2025-9079
To remediate CVE-2025-9079, upgrade the affected package to a fixed version below.
- Go/github.com/mattermost/mattermost-server—upgrade to 10.8.4 or later
- Go/github.com/mattermost/mattermost-server—upgrade to 9.11.18+incompatible or later
- —no fix listed
- —no fix listed
- —upgrade to 8.0.0-20250707221302-a8fa77f107ef or later
- —upgrade to 8.0.0-20250707221302-a8fa77f107ef or later
Is CVE-2025-9079 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- >= 10.8.0, < 10.8.4
- >= 9.11.0+incompatible, < 9.11.18+incompatible, >= 10.5.0+incompatible, < 10.5.9+incompatible, >= 10.8.0+incompatible, < 10.8.4+incompatible, >= 10.9.0+incompatible, < 10.9.4+incompatible, >= 10.10.0+incompatible, < 10.10.2+incompatible
- from 0
- from 0
- from 0, < 8.0.0-20250707221302-a8fa77f107ef
- from 0, < 8.0.0-20250707221302-a8fa77f107ef
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |