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CVE-2026-54518

jackson-databind: @JsonView bypass for unwrapped creator parameters in jackson-databind PUBLISHED

Description (CNA)

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, UnwrappedPropertyHandler.processUnwrappedCreatorProperties() replays buffered JSON into creator parameters but never consults prop.visibleInView(activeView). The normal property-based creator path gates creator properties on the active view, but this unwrapped-creator replay path bypasses that check, so a constructor parameter annotated with both @JsonView(AdminView.class) and @JsonUnwrapped is populated from attacker JSON even when a more restrictive view is active. This vulnerability is fixed in 2.21.4 and 3.1.4.

Affected (CNA)

Vendor / productVersions
FasterXML / jackson-databindaffected >= 2.21.0, < 2.21.4; affected >= 3.0.0, < 3.1.4

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.