jackson-databind's renamed @JsonIgnore'd setters can deserialize via private fields

Summary POJOPropertiesCollector.renameProperties allows a property with @JsonProperty"renamed" on the getter and @JsonIgnore on the setter to be renamed rather than dropped. With MapperFeature.INFERPROPERTYMUTATORS enabled default, the private backing field is retained; during deserialization...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview com.fasterxml.jackson.core:jackson-databind is a library which contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object...

CVE-2026-54516

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...

UBUNTU-CVE-2026-54516

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...

CVE-2026-54516

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...

CVE-2026-54516

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...

PT-2026-51599

Name of the Vulnerable Software and Affected Versions jackson-databind versions 2.21.0 through 2.21.3 jackson-databind versions 3.0.0 through 3.1.3 Description An issue exists in the POJOPropertiesCollector. renameProperties function where a property with @JsonProperty"renamed" on the getter and...