| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.nifi:nifi | ≥ 1.0.0, < 1.1.2< 0.7.2 | 1.1.20.7.2 |
| nifi | = 0.7.0= 0.7.1= 1.1.0= 1.1.1 |
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.
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