Vulnerability Database
289,784
Total vulnerabilities in the database
CVE-2025-20621
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the webapp to crash via creating and sending such a post to a channel.
| Software | From | Fixed in |
|---|---|---|
github.com/mattermost/mattermost/server/v8
|
10.2.0 | 10.2.1 |
|
github.com/mattermost/mattermost/server/v8
|
10.1.0 | 10.1.4 |
|
github.com/mattermost/mattermost/server/v8
|
10.0.0 | 10.0.4 |
|
github.com/mattermost/mattermost/server/v8
|
9.11.0 | 9.11.6 |
|
github.com/mattermost/mattermost/server/v8
|
- | 8.0.0-20241127161322-25ff7a3779a5 |