| Package | Affected versions | Patched versions |
|---|---|---|
| nextcloud server | ≥ 13.0.0, < 13.0.3< 12.0.8 | 13.0.312.0.8 |
Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.
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