jackson-databind has case-insensitive deserialization bypasses per-property @JsonIgnoreProperties

Summary In BeanDeserializerBase.createContextual, per-property @JsonIgnoreProperties exclusions are applied by handleByNameInclusion, producing a contextual deserializer whose BeanPropertyMap has the ignored properties removed. The subsequent per-property case-insensitivity block triggered by...

PT-2026-51598

Name of the Vulnerable Software and Affected Versions jackson-databind versions 2.8.0 through 2.18.8 jackson-databind versions 2.21.0 through 2.21.4 jackson-databind versions 3.0.0 through 3.1.3 Description In the createContextual function of BeanDeserializerBase, per-property @JsonIgnoreProperti...