CVE-2025-27933
published 2025-03-21CVE-2025-27933: Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with…
medium4.3CVSS 3.1
AVNACLPRLUINSUCNILAN
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 9.11.9 | 9.11.9 |
| github.com | mattermost_mattermost-server | >= 10.3.0+incompatible < 10.3.4+incompatible | 10.3.4+incompatible |
| github.com | mattermost_mattermost-server | >= 10.4.0+incompatible < 10.4.3+incompatible | 10.4.3+incompatible |
| github.com | mattermost_mattermost-server | >= 9.11.0+incompatible < 9.11.9+incompatible | 9.11.9+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250218135018-e644e3c8e393 | 8.0.0-20250218135018-e644e3c8e393 |
| github.com | mattermost_mattermost_server_v8 | >= 10.3.0 < 10.3.4 | 10.3.4 |
| github.com | mattermost_mattermost_server_v8 | >= 10.4.0 < 10.4.3 | 10.4.3 |
| github.com | mattermost_mattermost_server_v8 | >= 9.11.0 < 9.11.9 | 9.11.9 |
| mattermost | mattermost | 10.3.0 – 10.3.3 | — |
| mattermost | mattermost | 10.4.0 – 10.4.2 | — |
| mattermost | mattermost | 9.11.0 – 9.11.8 | — |
| mattermost | mattermost_server | >= 10.3.0 < 10.3.4 | 10.3.4 |
| mattermost | mattermost_server | >= 10.4.0 < 10.4.3 | 10.4.3 |
| mattermost | mattermost_server | >= 9.11.0 < 9.11.9 | 9.11.9 |