Go/github.com/mattermost/mattermost-server/v6 CVE-2025-55073: medium 5.3, EPSS 0.20%
Mattermost allows an attacker to edit arbitrary posts via a crafted MSTeams plugin OAuth redirect URL 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-2025-4129#Go/github.com/mattermost/mattermost-server/v6
- nvd: CVE-2025-55073
- https://github.com/advisories/GHSA-ff85-qw3h-g9vp
- https://github.com/mattermost/mattermost/commit/375ce229f4923205394d8f27925372b2cbf28130
- https://github.com/mattermost/mattermost/commit/6c288aa62bb3343183ec1d0a06360d14aa0193e9
- https://github.com/mattermost/mattermost/commit/a41db04d2746ab549d056db4ede4cd803f64989c
- https://github.com/mattermost/mattermost/commit/b822cea06bf5683a176e2c92711241bd29cd9389
- https://github.com/mattermost/mattermost/commit/e47349ea0fc072ee1dfb196d9bb1c8fd1a589224
- https://mattermost.com/security-updates
CVE-2025-55073 · published · modified · JSON