Vulnerability library
Security checkSeptember 08, 2026

jsonata: Function Binding Prototype Pollution via hasOwnProperty Override

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Medium severitynpmjsonata

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Description

A weakness has been identified in jsonata-js jsonata up to 2.2.0. The affected element is the function createFrame of the file src/jsonata.js of the component Function Binding Frame System. This manipulation causes improperly controlled modification of object prototype attributes. It is possible to initiate the attack remotely.

Recommendation

Update the jsonata package to the latest compatible version. Followings are version details:

  • Affected version(s): **>= 2.0.0, < 2.2.1 < 1.8.8**
  • Patched version(s): **2.2.1 1.8.8**

References

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Related Issues

See something that needs correcting? Let us knowUpdated September 08, 2026