A vulnerability has been found in jsonata-js jsonata up to 2.2.0 and classified as critical . 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. The identification of this vulnerability is CVE-2026-12208 . It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about