| Package | Affected versions | Patched versions |
|---|---|---|
| actionpack | ≥ 6.0.0, < 6.0.3.5≥ 6.1.0, < 6.1.2.1 | 6.0.3.56.1.2.1 |
| rails | ≥ 6.0.0, < 6.0.3.5≥ 6.1.0, < 6.1.2.1 | 6.0.3.56.1.2.1 |
The Host Authorization middleware in Action Pack before 6.1.2.1, 6.0.3.5 suffers from an open redirect vulnerability. Specially crafted Host headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.
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