CVE-2018-1309: Apache Nifi

Critical severity, CVSS 9.8. EPSS: 4.5% chance of exploitation in the next 30 days.

Apache NiFi External XML Entity issue in SplitXML processor. Malicious XML content could cause information disclosure or remote code execution. The fix to disable external general entity parsing and disallow doctype declarations was applied on the Apache NiFi 1.6.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

Affected products

• Apache Nifi: before 1.6.0 (fixed in 1.6.0)

Published 2018-05-23. Last modified 2026-06-17.