CVE-2025-3227
published 2025-06-20CVE-2025-3227: Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member…
PriorityP421medium4.3CVSS 3.1
AVNACLPRLUINSUCNILAN
EPSS
0.21%
11.3th percentile
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions in playbook runs, allowing authenticated users without the 'Manage Channel Members' permission to add or remove users from public and private channels by manipulating playbook run participants when the run is linked to a channel.
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 0.0.0-20250520060012-d0380305ef7a | 0.0.0-20250520060012-d0380305ef7a |
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.6+incompatible | 10.5.6+incompatible |
| github.com | mattermost_mattermost-server | >= 10.6.0+incompatible < 10.6.6+incompatible | 10.6.6+incompatible |
| github.com | mattermost_mattermost-server | >= 10.7.0+incompatible < 10.7.3+incompatible | 10.7.3+incompatible |
| github.com | mattermost_mattermost-server | >= 10.8.0+incompatible < 10.8.1+incompatible | 10.8.1+incompatible |
| github.com | mattermost_mattermost-server | >= 9.11.0+incompatible < 9.11.16+incompatible | 9.11.16+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250520060012-d0380305ef7a | 8.0.0-20250520060012-d0380305ef7a |
| github.com | mattermost_mattermost_server_v8 | >= 10.5.0 < 10.5.6 | 10.5.6 |
| github.com | mattermost_mattermost_server_v8 | >= 10.6.0 < 10.6.6 | 10.6.6 |
| github.com | mattermost_mattermost_server_v8 | >= 10.7.0 < 10.7.3 | 10.7.3 |
| github.com | mattermost_mattermost_server_v8 | >= 10.8.0 < 10.8.1 | 10.8.1 |
| github.com | mattermost_mattermost_server_v8 | >= 9.11.0 < 9.11.16 | 9.11.16 |
| mattermost | mattermost | — | — |
| mattermost | mattermost | 10.5.0 – 10.5.5 | — |
| mattermost | mattermost | 10.6.0 – 10.6.5 | — |
| mattermost | mattermost | 10.7.0 – 10.7.2 | — |
| mattermost | mattermost | 9.11.0 – 9.11.15 | — |
| mattermost | mattermost_server | — | — |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.6 | 10.5.6 |
| mattermost | mattermost_server | >= 10.6.0 < 10.6.6 | 10.6.6 |
| mattermost | mattermost_server | >= 10.7.0 < 10.7.3 | 10.7.3 |
| mattermost | mattermost_server | >= 9.11.0 < 9.11.16 | 9.11.16 |
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OSV
Mattermost allows unauthorized channel member management through playbook runs in github.com/mattermost/mattermost-server
osv·2025-07-28
CVE-2025-3227 Mattermost allows unauthorized channel member management through playbook runs in github.com/mattermost/mattermost-server
Mattermost allows unauthorized channel member management through playbook runs in github.com/mattermost/mattermost-server
Mattermost allows unauthorized channel member management through playbook runs in github.com/mattermost/mattermost-server
OSV
Mattermost allows unauthorized channel member management through playbook runs
osv·2025-06-20
CVE-2025-3227 [MEDIUM] Mattermost allows unauthorized channel member management through playbook runs
Mattermost allows unauthorized channel member management through playbook runs
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions in playbook runs, allowing authenticated users without the 'Manage Channel Members' permission to add or remove users from public and private channels by manipulating playbook run participants when the run is linked to a channel.
GHSA
Mattermost allows unauthorized channel member management through playbook runs
ghsa·2025-06-20
CVE-2025-3227 [MEDIUM] CWE-863 Mattermost allows unauthorized channel member management through playbook runs
Mattermost allows unauthorized channel member management through playbook runs
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions in playbook runs, allowing authenticated users without the 'Manage Channel Members' permission to add or remove users from public and private channels by manipulating playbook run participants when the run is linked to a channel.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-06-20
Published