CVE-2025-6226
Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server
6.5
MEDIUM
CVSS 3.1
EPSS 0.22%
Description
Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server
How to fix CVE-2025-6226
To remediate CVE-2025-6226, upgrade the affected package to a fixed version below.
- Go/github.com/mattermost/mattermost-server—upgrade to 10.5.7 or later
- —upgrade to 9.11.17+incompatible or later
- —no fix listed
- —no fix listed
- —upgrade to 8.0.0-20250520130510-fa40a8c5d47f or later
- —upgrade to 8.0.0-20250520130510-fa40a8c5d47f or later
Is CVE-2025-6226 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- >= 10.5.0, < 10.5.7
- >= 9.11.0+incompatible, < 9.11.17+incompatible, >= 10.5.0+incompatible, < 10.5.7+incompatible, >= 10.7.0+incompatible, < 10.7.4+incompatible, >= 10.8.0+incompatible, < 10.8.2+incompatible
- from 0
- from 0
- from 0, < 8.0.0-20250520130510-fa40a8c5d47f
- from 0, < 8.0.0-20250520130510-fa40a8c5d47f
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |