Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mattermost_server | Mattermost | * | 7.8.14 (excluding) |
| Mattermost_server | Mattermost | 8.0.0 (including) | 8.1.5 (excluding) |
| Mattermost_server | Mattermost | 9.0.0 (including) | 9.0.3 (excluding) |
| Mattermost_server | Mattermost | 9.1.0 (including) | 9.1.2 (excluding) |