Go/github.com/mattermost/mattermost-server CVE-2026-6347: unknown, EPSS 0.27%
Mattermost doesn't sanitize sensitive configuration fields in the Mattermost Calls plugin in github.com/mattermost/mattermost-plugin-calls
Action: Upgrade github.com/mattermost/mattermost-server to 10.11.14+incompatible or later.
go get github.com/mattermost/mattermost-server@v10.11.14+incompatiblego get github.com/mattermost/mattermost-server@v11.4.4+incompatiblego get github.com/mattermost/mattermost-server@v11.5.2+incompatibleAffected
| introduced | fixed | last affected |
|---|---|---|
| 10.11.0+incompatible | 10.11.14+incompatible | - |
| 11.4.0+incompatible | 11.4.4+incompatible | - |
| 11.5.0+incompatible | 11.5.2+incompatible | - |
Fixed versions
| 10.11.14+incompatible | 11.4.4+incompatible | 11.5.2+incompatible |
Sources
- osv: GO-2026-5238#Go/github.com/mattermost/mattermost-server
- https://github.com/advisories/GHSA-82j6-4fq7-fx62
- https://nvd.nist.gov/vuln/detail/CVE-2026-6347
- https://github.com/mattermost/mattermost-plugin-calls/commit/d48893c8558e5a61f5fdd188bbee5ec7cb73887b
- https://mattermost.com/security-updates
CVE-2026-6347 · published · modified · JSON