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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-59889

jackson-databind: @JsonView ypassed for @JsonUnwrapped container properties on deserialization

Description

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.18.0 until 2.18.9, 2.21.5, 2.22.1, 3.1.5, and 3.2.1, UnwrappedPropertyHandler.processUnwrapped() replays buffered JSON for a @JsonUnwrapped property and calls prop.deserializeAndSet() without a prop.visibleInView(ctxt.getActiveView()) guard, allowing a property annotated with both @JsonView and @JsonUnwrapped to be written from attacker JSON under a less-privileged active view. This issue is fixed in versions 2.18.9, 2.21.5, 2.22.1, 3.1.5, and 3.2.1.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

FasterXML jackson-databind

  • >= 2.0.0-RC1, < 2.18.9affected
  • >= 2.19.0, < 2.21.5affected
  • >= 2.22.0, < 2.22.1affected
  • >= 3.0.0, < 3.1.5affected
  • >= 3.2.0, < 3.2.1affected

References