Go/github.com/mattermost/mattermost-server/v5 CVE-2025-20621: high 7.5, EPSS 0.48%
Mattermost webapp crash via a crafted post in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-3407#Go/github.com/mattermost/mattermost-server/v5
- nvd: CVE-2025-20621
- https://github.com/advisories/GHSA-w6xh-c82w-h997
- https://mattermost.com/security-updates
CVE-2025-20621 · published · modified · JSON