A malicious X-ProxyContextPath or X-Forwarded-Context header containing external resources or embedded code could cause remote code execution. The fix to properly handle these headers was applied on the Apache NiFi 1.5.0 release. Users running a prior 1.x release should upgrade to the appropriate release.
{
    "severity": "CRITICAL",
    "github_reviewed_at": "2022-11-01T22:11:54Z",
    "cwe_ids": [
        "CWE-20"
    ],
    "github_reviewed": true,
    "nvd_published_at": "2018-01-23T22:29:00Z"
}