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Posted to jira@kafka.apache.org by "Krishna Chidrawar (Jira)" <ji...@apache.org> on 2026/07/06 09:51:00 UTC

[jira] [Created] (KAFKA-20773) [CVE-2026-54515][jackson-databind]

Krishna Chidrawar created KAFKA-20773:
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             Summary: [CVE-2026-54515][jackson-databind]
                 Key: KAFKA-20773
                 URL: https://issues.apache.org/jira/browse/KAFKA-20773
             Project: Kafka
          Issue Type: Bug
            Reporter: Krishna Chidrawar


 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.
*NVD URL :* [https://nvd.nist.gov/vuln/detail/CVE-2026-54515]

Fix Version :  2.18.9, 2.21.5, and 3.1.4.



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