Vulnerability Details CVE-2026-54517
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, in BeanDeserializer._deserializeUsingPropertyBased, the active-view (@JsonView) filter was applied only to creator properties; the regular property-buffering branch performed no prop.visibleInView(activeView) check. A change making SetterlessProperty.isMerging() return true routed setterless Collection/Map properties through this unguarded path, so a setterless collection annotated with a restricted @JsonView is populated from attacker JSON even when the active view excludes it. This vulnerability is fixed in 2.21.4 and 3.1.4.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 15.1%
CVSS Severity
CVSS v3 Score 5.3
References
- https://github.com/FasterXML/jackson-databind/commit/5bf23edb4221f7dd2ec8e71ff6d26c61640f261d
- https://github.com/FasterXML/jackson-databind/commit/94c5d215b3af1505098c686405d9641f041a9962
- https://github.com/FasterXML/jackson-databind/pull/5969
- https://github.com/FasterXML/jackson-databind/pull/5970
- https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-5hh8-q8hv-fr38
Products affected by CVE-2026-54517
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cpe:2.3:a:fasterxml:jackson-databind:2.21.0
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cpe:2.3:a:fasterxml:jackson-databind:2.21.1
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cpe:2.3:a:fasterxml:jackson-databind:2.21.2
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cpe:2.3:a:fasterxml:jackson-databind:2.21.3
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cpe:2.3:a:fasterxml:jackson-databind:3.0.0
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cpe:2.3:a:fasterxml:jackson-databind:3.0.1
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cpe:2.3:a:fasterxml:jackson-databind:3.0.2
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cpe:2.3:a:fasterxml:jackson-databind:3.0.3
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cpe:2.3:a:fasterxml:jackson-databind:3.0.4
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cpe:2.3:a:fasterxml:jackson-databind:3.1.0
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cpe:2.3:a:fasterxml:jackson-databind:3.1.1
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cpe:2.3:a:fasterxml:jackson-databind:3.1.2
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cpe:2.3:a:fasterxml:jackson-databind:3.1.3