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

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Summary

CVECVE-2026-54518
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-23 22:16:32 UTC
Updated2026-06-23 22:16:32 UTC
Descriptionjackson-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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Problem Types: CWE-863 | CWE-863 CWE-863: Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA FasterXML Jackson-databind affected >= 2.21.0, < 2.21.4 Not specified
CNA FasterXML Jackson-databind affected >= 3.0.0, < 3.1.4 Not specified

References

ReferenceSourceLinkTags
github.com/FasterXML/jackson-databind/commit/d633bc038f200c1397c07f1a2b4... [email protected] github.com
github.com/FasterXML/jackson-databind/commit/721fa07ebbd4aab4a659a1a6894... [email protected] github.com
github.com/FasterXML/jackson-databind/security/advisories/GHSA-rcqc-6cw3... [email protected] github.com
github.com/FasterXML/jackson-databind/pull/5971 [email protected] github.com
github.com/FasterXML/jackson-databind/pull/5973 [email protected] github.com
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