| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/mattermost/mattermost-server | ≥ 10.5.0, < 10.5.10≥ 10.5.0+incompatible, < 10.5.10+incompatible | 10.5.1010.5.10+incompatible |
| github.com/mattermost/mattermost-server/v5 | all versions | |
| github.com/mattermost/mattermost-server/v6 | all versions | |
| github.com/mattermost/mattermost/server/v8 | < 8.0.0-202508080704-39bd251fe4f600all versions | 8.0.0-202508080704-39bd251fe4f600 |
| mattermost server | ≥ 10.5.0, < 10.5.10 | 10.5.10 |
Mattermost versions 10.5.x <= 10.5.9 fail to properly validate redirect URLs which allows attackers to redirect users to malicious sites via crafted OAuth login URLs.
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