CVE-2017-15697: Apache Nifi

Critical severity, CVSS 9.8. EPSS: 4.8% chance of exploitation in the next 30 days.

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.

Affected products

• Apache Nifi: from 1.0.0, up to and including 1.4.0

Published 2018-01-23. Last modified 2026-06-17.