Go/github.com/mattermost/mattermost/server/v8 CVE-2026-6345: medium 6.5, EPSS 0.23%
Mattermost doesn't prevent disclosure of created user password
Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20260311102650-3057ae7e83e9 or later.
go get github.com/mattermost/mattermost/server/v8@v11.5.2go get github.com/mattermost/mattermost/server/v8@v10.11.14go get github.com/mattermost/mattermost/server/v8@v11.4.4go get github.com/mattermost/mattermost/server/v8@v8.0.0-20260311102650-3057ae7e83e9Affected
| introduced | fixed | last affected |
|---|---|---|
| 11.5.0 | 11.5.2 | - |
| 10.11.0 | 10.11.14 | - |
| 11.4.0 | 11.4.4 | - |
| 0 | 8.0.0-20260311102650-3057ae7e83e9 | - |
Fixed versions
| 11.5.2 | 10.11.14 | 11.4.4 | 8.0.0-20260311102650-3057ae7e83e9 |
Sources
- osv: GHSA-wvgv-4fc3-2rcp
- https://nvd.nist.gov/vuln/detail/CVE-2026-6345
- https://github.com/mattermost/mattermost/commit/3057ae7e83e9c827ce7818d67c0f3a208f0d9709
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2026-6345 · published · modified · JSON