CVE-2026-54512 jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic...

CVE-2026-54516 jackson-databind: Renamed @JsonIgnore'd setters can deserialize via private fields

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.21.0 until 2.21.4 and 3.1.4, POJOPropertiesCollector.renameProperties allows a property with @JsonProperty"renamed" on the getter and @JsonIgnore on the setter to be renamed...

SUSE CVE-2019-12086

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9. When Default Typing is enabled either globally or for a specific property for an externally exposed JSON endpoint, the service has the mysql-connector-java jar 8.0.14 or earlier in the classpath, and an...

SUSE CVE-2020-36188

FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to com.newrelic.agent.deps.ch.qos.logback.core.db.JNDIConnectionSource...

jackson-databind: Serialization gadgets in com.zaxxer.hikari.HikariDataSource

A flaw was discovered in FasterXML jackson-databind, where it would permit polymorphic deserialization of malicious objects using the HikariDataSource gadget when used in conjunction with polymorphic type handling methods such as enableDefaultTyping or when @JsonTypeInfo is using Id.CLASS or...