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.
{
"severity": "CRITICAL",
"github_reviewed_at": "2022-11-01T22:32:14Z",
"cwe_ids": [
"CWE-74"
],
"nvd_published_at": "2017-10-19T20:29:00Z",
"github_reviewed": true
}