CVE-2025-13767
Mattermost doesn't validate user channel membership when attaching Mattermost posts as comments to Jira issues in github.com/mattermost/mattermost-server
Description
Mattermost doesn't validate user channel membership when attaching Mattermost posts as comments to Jira issues in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost/server/v8 before v8.0.0-20251121122154-b57c297c6d7.
How to fix CVE-2025-13767
To remediate CVE-2025-13767, upgrade the affected package to a fixed version below.
- —upgrade to 10.11.8 or later
- —upgrade to 10.11.8+incompatible or later
- —no fix listed
- —no fix listed
- —upgrade to 8.0.0-20251121122154-b57c297c6d7 or later
- —no fix listed
Is CVE-2025-13767 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- >= 10.11.0, < 10.11.8
- >= 10.11.0+incompatible, < 10.11.8+incompatible, >= 10.12.0+incompatible, < 10.12.4+incompatible, >= 11.0.1+incompatible, < 11.0.6+incompatible, >= 11.1.0+incompatible, < 11.1.1+incompatible
- from 0
- from 0
- from 0, < 8.0.0-20251121122154-b57c297c6d7
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |