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5.3 Medium

CVE-2026-54515 jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor

Description

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.8.0 until 2.18.9, 2.21.5, and 3.1.4, in BeanDeserializerBase.createContextual(), per-property @JsonIgnoreProperties exclusions are applied by _handleByNameInclusion(), producing a contextual deserializer whose BeanPropertyMap has the ignored properties removed. The subsequent per-property case-insensitivity block (triggered by @JsonFormat(ACCEPT_CASE_INSENSITIVE_PROPERTIES)) rebuilds from this._beanProperties (the original, unfiltered map) instead of contextual._beanProperties, then overwrites the filtered map — restoring every property _handleByNameInclusion had just removed. The ignored property becomes writable again. This vulnerability is fixed in 2.18.9, 2.21.5, and 3.1.4.

Affected products and versions

Product Affected versions Fixed in
jackson-databind 3.1 3.1.0 → < 3.1.4 3.1.4
jackson-databind 2.19 2.19.0 → < 2.21.5 2.21.5
jackson-databind 2.8 2.8.0 → < 2.18.9 2.18.9

References

Timeline

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Other CVEs of jackson-databind

The 30 CVEs of jackson-databind →
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