| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/mattermost/mattermost-server/v6 | < 7.8.13 | 7.8.13 |
| github.com/mattermost/mattermost/server/v8 | ≥ 9.0.0, < 9.0.2≥ 9.1.0, < 9.1.1< 8.1.4 | 9.0.29.1.18.1.4 |
| mattermost | = 9.1.0≥ 8.0.0, ≤ 8.1.3≥ 9.0.0, ≤ 9.0.1≤ 7.8.12 |
Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=
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