CVE-2026-19032

Updated on 01 Sep 2026

Severity

5.3 Medium severity

Details

CVSS score
5.3
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Overview

About vulnerability

jackson-databind’s deserializer for java.nio.file.Path resolves an attacker-supplied URI without restricting the URI scheme. In JDKFromStringDeserializer.NioPathHelper.deserialize, a string bound from untrusted JSON is passed to new URI(value) and then to Path.of(uri). When that throws FileSystemNotFoundException, the code enumerates ServiceLoader<FileSystemProvider> and calls provider.getPath(uri) on the first provider whose scheme matches the attacker-chosen scheme. Untrusted JSON can therefore select and drive an arbitrary registered FileSystemProvider during readValue under a default JsonMapper, and forces provider class loading at the same time. With only the JDK built-in providers (file, jar/zipfs) present, the resolved path is inert and no mount or network I/O occurs; further impact requires a side-effecting third-party FileSystemProvider on the classpath. This affects com.fasterxml.jackson.core:jackson-databind from 2.8.0 before 2.18.10, from 2.19.0 before 2.21.6, and from 2.22.0 before 2.22.2, and tools.jackson.core:jackson-databind from 3.0.0 before 3.1.6 and from 3.2.0 before 3.2.2. Users should upgrade to 2.18.10, 2.21.6, 2.22.2, 3.1.6, or 3.2.2. Binding java.nio.file.Path from untrusted JSON should be avoided regardless of version.

Details

Affected product:
AlmaLinux 9.2 ESU , Apache CXF , Apache Hadoop , Apache Hive , Apache Kafka , Apache Log4j , Apache Maven , Apache Solr , Apache Spark , Apache Struts , Eclipse Jersey , Eclipse Jetty , Elasticsearch , Hazelcast , Hibernate , Jackson , OpenSearch , Spring , TuxCare 9.6 ESU , TuxCare 9.8 ESU , Wildfly , activemq , airlift , alluxio , amazon-kinesis-client , amazon-kinesis-producer , apicurio-common-rest-client , apicurio-registry , apicurio-registry-operator , ardielle-java , arrow , artemis , athenz , avro , aws-glue-schema-registry , aws-java-sdk-appmesh , aws-java-sdk-autoscalingplans , aws-java-sdk-budgets , aws-java-sdk-cloudhsm , aws-java-sdk-cloudwatchmetrics , aws-java-sdk-cognitosync , aws-java-sdk-comprehendmedical , aws-java-sdk-datasync , aws-java-sdk-devicefarm , aws-java-sdk-dms , aws-java-sdk-globalaccelerator , aws-java-sdk-importexport , aws-java-sdk-iotanalytics , aws-java-sdk-marketplaceentitlement , aws-java-sdk-mechanicalturkrequester , aws-java-sdk-opsworkscm , aws-java-sdk-pinpoint , aws-java-sdk-quicksight , aws-java-sdk-resourcegroups , aws-java-sdk-robomaker , aws-java-sdk-shield , aws-java-sdk-workdocs , aws-java-sdk-xray , aws-sdk-java , aws-sdk-java-v2 , aws-secretsmanager-caching-java , aws-secretsmanager-jdbc , azure-cosmosdb-java , azure-kusto-java , azure-sdk-for-java , azure-search-documents , azure-spring-data-cosmos , bmc-oke-workload-identity , bookkeeper , calcite , camel , canal , carrot2 , cassandra-java-driver , client_java , com.amazonaws:aws-java-sdk-appintegrations , com.amazonaws:aws-java-sdk-chimesdkmediapipelines , com.amazonaws:aws-java-sdk-codestarnotifications , com.amazonaws:aws-java-sdk-drs , com.amazonaws:aws-java-sdk-ec2instanceconnect , com.amazonaws:aws-java-sdk-iotdeviceadvisor , com.amazonaws:aws-java-sdk-lookoutmetrics , com.amazonaws:aws-java-sdk-mediapackagevod , com.amazonaws:aws-java-sdk-migrationhubrefactorspaces , com.amazonaws:aws-java-sdk-outposts , com.amazonaws:aws-java-sdk-ssoadmin , com.amazonaws:aws-java-sdk-textract , com.azure:azure-core-amqp , com.azure:azure-core-serializer-json-jackson , com.github.jsonld-java:jsonld-java , com.wavefront:wavefront-sdk-java , consul-client , corda , cos-java-sdk-v5 , cos-java-sdk-v5-bundle , couchbase-jvm-clients , couchbase-jvm-clients-core-io , couchbase-jvm-clients-java-client , curator , debezium , discovery , docker-java , droolsjbpm-integration , etcd4j , eureka , flume , geode , geode-lucene , glassfish-hk2 , grails-async , grails-core , grails-data-mapping , grails-gsp , grails-plugin-converters , graphql-java-servlet , groovy , hbase , hbase-thirdparty , http-client , huaweicloud-sdk-java-obs , ignite , infinispan , io.airlift:jmx , io.airlift:jmx-http , io.apicurio:apicurio-common-rest-client-jdk , jasperreports , java-cas-client , java-driver , java-genai , java-jwt , java-opensaml , java-sdk , jena , jersey , jgroups-aws , jjwt , jolt , json-flattener , json-patch , json-schema-validator , json4s , jsonpath , jsonschema-generator , jsonschema2pojo , jwks-rsa-java , karaf , kinesis-logback-appender , kubernetes-client , logging-flume , logging-flume-irc , mbknor-jackson-jsonschema , mcp-annotations , metrics , micrometer , micrometer-tracing , micronaut-cache , micronaut-core , micronaut-spring , microsoft-authentication-library-for-java , mockwebserver , neo4j-ogm , oci-java-sdk , olingo-odata4 , openai-java , opencensus-java , org.apache.groovy:groovy-all , org.apache.jena:jena-tdb , org.apache.parquet:parquet-cli , parquet-java , pinecone-java-client , protostream , pulsar , pulsar-client-reactive , quarkus , redisson , remoting-jmx , rescu , resteasy , resteasy-spring , retrofit , scribejava , signalfx-java , simulacron , smallrye-mutiny-vertx-bindings , smallrye-open-api , spectator , strimzi-kafka-operator , swagger-core , swagger-parser , tika , tinkerpop , trino , twilio-java , typesense-java , vert.x , vertx-kafka-client , wavefront-internal-reporter-java , web3j , web3j-quorum , wiremock , ws-wss4j , xchange , zendesk-java-client , zjsonpatch , zookeeper
Affected packages:
jackson-databind @ 2.9.5 (+18967 more)

Fixes