CVE-2026-59889

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

State: Published
Severity: 6.5 Medium
Published: Jul 14, 2026
Updated: Oct 19, 2026
Reserved: Jul 7, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	GitHub_M

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
jackson-databindFasterXML	>= 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

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