{"id":"CVE-2017-12632","details":"A malicious host header in an incoming HTTP request could cause NiFi to load resources from an external server. The fix to sanitize host headers and compare to a controlled whitelist was applied on the Apache NiFi 1.5.0 release. Users running a prior 1.x release should upgrade to the appropriate release.","aliases":["GHSA-w4x6-j349-9r57"],"modified":"2026-07-08T10:54:35.786966Z","published":"2018-01-23T22:29:00.277Z","references":[{"type":"ADVISORY","url":"https://nifi.apache.org/security.html#CVE-2017-12632"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/nifi","events":[{"introduced":"0"},{"last_affected":"e6508ba7d3da5bba54abd6233a7a8f9dd4c32151"}],"database_specific":{"cpe":"cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.4.0"}],"source":"CPE_RANGE"}}],"versions":["rel/nifi-1.4.0","rel/nifi-1.2.0","nifi-1.2.0-RC2","docker/nifi-1.2.0","rel/nifi-1.1.0","nifi-1.1.0-RC2","nifi-0.6.0-RC2","nifi-0.6.0","nifi-0.4.1-RC1","nifi-0.4.1","nifi-0.2.0-incubating-RC1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12632.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}