Apache Nifi vulnerabilities

CVE-2020-9486 [HIGH] CWE-532 CVE-2020-9486: In Apache NiFi 1.10.0 to 1.11.4, the NiFi stateless execution engine produced log output which inclu In Apache NiFi 1.10.0 to 1.11.4, the NiFi stateless execution engine produced log output which included sensitive property values. When a flow was triggered, the flow definition configuration JSON was printed, potentially containing sensitive values in plaintext.

CVE-2023-22832 [HIGH] CWE-611 CVE-2023-22832: The ExtractCCDAAttributes Processor in Apache NiFi 1.2.0 through 1.19.1 does not restrict XML Extern The ExtractCCDAAttributes Processor in Apache NiFi 1.2.0 through 1.19.1 does not restrict XML External Entity references. Flow configurations that include the ExtractCCDAAttributes Processor are vulnerable to malicious XML documents that contain Document Type Declarations with XML External Entity references. The resolution disables Document Type Dec

CVE-2026-44911 [MEDIUM] CWE-863 CVE-2026-44911: Authorization handling for component configuration verification requests in Apache NiFi 1.15.0 throu Authorization handling for component configuration verification requests in Apache NiFi 1.15.0 through 2.9.0 allows clients with read access to submit proposed configuration properties. The proposed properties override current configuration, enabling users with read access to invoke predefined verification methods with alternative settings. Apache N

CVE-2020-9491 [HIGH] CWE-327 CVE-2020-9491: In Apache NiFi 1.2.0 to 1.11.4, the NiFi UI and API were protected by mandating TLS v1.2, as well as In Apache NiFi 1.2.0 to 1.11.4, the NiFi UI and API were protected by mandating TLS v1.2, as well as listening connections established by processors like ListenHTTP, HandleHttpRequest, etc. However intracluster communication such as cluster request replication, Site-to-Site, and load balanced queues continued to support TLS v1.0 or v1.1.

CVE-2017-5635 [HIGH] CWE-287 CVE-2017-5635: In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user requ In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.

CVE-2020-1942 [HIGH] CWE-532 CVE-2020-1942: In Apache NiFi 0.0.1 to 1.11.0, the flow fingerprint factory generated flow fingerprints which inclu In Apache NiFi 0.0.1 to 1.11.0, the flow fingerprint factory generated flow fingerprints which included sensitive property descriptor values. In the event a node attempted to join a cluster and the cluster flow was not inheritable, the flow fingerprint of both the cluster and local flow was printed, potentially containing sensitive values in plaintext.

CVE-2017-12632 [HIGH] CWE-20 CVE-2017-12632: A malicious host header in an incoming HTTP request could cause NiFi to load resources from an exter 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.

CVE-2024-37389 [MEDIUM] CWE-79 CVE-2024-37389: Apache NiFi 1.10.0 through 1.26.0 and 2.0.0-M1 through 2.0.0-M3 support a description field in the P Apache NiFi 1.10.0 through 1.26.0 and 2.0.0-M1 through 2.0.0-M3 support a description field in the Parameter Context configuration that is vulnerable to cross-site scripting. An authenticated user, authorized to configure a Parameter Context, can enter arbitrary JavaScript code, which the client browser will execute within the session context of the

CVE-2023-40037 [MEDIUM] CWE-184 CVE-2023-40037: Apache NiFi 1.21.0 through 1.23.0 support JDBC and JNDI JMS access in several Processors and Control Apache NiFi 1.21.0 through 1.23.0 support JDBC and JNDI JMS access in several Processors and Controller Services with connection URL validation that does not provide sufficient protection against crafted inputs. An authenticated and authorized user can bypass connection URL validation using custom input formatting. The resolution enhances connection

CVE-2018-17194 [HIGH] CWE-20 CVE-2018-17194: When a client request to a cluster node was replicated to other nodes in the cluster for verificatio When a client request to a cluster node was replicated to other nodes in the cluster for verification, the Content-Length was forwarded. On a DELETE request, the body was ignored, but if the initial request had a Content-Length value other than 0, the receiving nodes would wait for the body and eventually timeout. Mitigation: The fix to check DELETE re

CVE-2026-25903 [MEDIUM] CWE-862 CVE-2026-25903: Apache NiFi 1.1.0 through 2.7.2 are missing authorization when updating configuration properties on Apache NiFi 1.1.0 through 2.7.2 are missing authorization when updating configuration properties on extension components that have specific Required Permissions based on the Restricted annotation. The Restricted annotation indicates additional privileges required to add the annotated component to the flow configuration, but framework authorization di

CVE-2023-34212 [MEDIUM] CWE-502 CVE-2023-34212: The JndiJmsConnectionFactoryProvider Controller Service, along with the ConsumeJMS and PublishJMS Pr The JndiJmsConnectionFactoryProvider Controller Service, along with the ConsumeJMS and PublishJMS Processors, in Apache NiFi 1.8.0 through 1.21.0 allow an authenticated and authorized user to configure URL and library properties that enable deserialization of untrusted data from a remote location. The resolution validates the JNDI URL and restricts

CVE-2025-27017 [MEDIUM] CWE-538 CVE-2025-27017: Apache NiFi 1.13.0 through 2.2.0 includes the username and password used to authenticate with MongoD Apache NiFi 1.13.0 through 2.2.0 includes the username and password used to authenticate with MongoDB in the NiFi provenance events that MongoDB components generate during processing. An authorized user with read access to the provenance events of those processors may see the credentials information. Upgrading to Apache NiFi 2.3.0 is the recommended

CVE-2018-17195 [HIGH] CWE-319 CVE-2018-17195: The template upload API endpoint accepted requests from different domain when sent in conjunction wi The template upload API endpoint accepted requests from different domain when sent in conjunction with ARP spoofing + man in the middle (MiTM) attack, resulting in a CSRF attack. The required attack vector is complex, requiring a scenario with client certificate authentication, same subnet access, and injecting malicious code into an unprotected (plai

CVE-2019-10080 [MEDIUM] CWE-611 CVE-2019-10080: The XMLFileLookupService in NiFi versions 1.3.0 to 1.9.2 allowed trusted users to inadvertently conf The XMLFileLookupService in NiFi versions 1.3.0 to 1.9.2 allowed trusted users to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE) and reveal information such as the versions of Java, Jersey, and Apache that the NiFI instance uses.

CVE-2017-12623 [MEDIUM] CWE-611 CVE-2017-12623: An authorized user could upload a template which contained malicious code and accessed sensitive fil An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

CVE-2018-1310 [HIGH] CVE-2018-1310: Apache NiFi JMS Deserialization issue because of ActiveMQ client vulnerability. Malicious JMS conten Apache NiFi JMS Deserialization issue because of ActiveMQ client vulnerability. Malicious JMS content could cause denial of service. See ActiveMQ CVE-2015-5254 announcement for more information. The fix to upgrade the activemq-client library to 5.15.3 was applied on the Apache NiFi 1.6.0 release. Users running a prior 1.x release should upgrade to the appropria

CVE-2021-44145 [MEDIUM] CWE-200 CVE-2021-44145: In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

CVE-2017-7667 [HIGH] CWE-346 CVE-2017-7667: Apache NiFi before 0.7.4 and 1.x before 1.3.0 need to establish the response header telling browsers Apache NiFi before 0.7.4 and 1.x before 1.3.0 need to establish the response header telling browsers to only allow framing with the same origin.

CVE-2018-17192 [MEDIUM] CWE-1021 CVE-2018-17192: The X-Frame-Options headers were applied inconsistently on some HTTP responses, resulting in duplica The X-Frame-Options headers were applied inconsistently on some HTTP responses, resulting in duplicate or missing security headers. Some browsers would interpret these results incorrectly, allowing clickjacking attacks. Mitigation: The fix to consistently apply the security headers was applied on the Apache NiFi 1.8.0 release. Users running a prior