EUVD-2026-64083

JSONata is a JSON query and transformation language. Prior to 1.8.8 and 2.2.1, the src/jsonata.js environment.lookup function used a bypassable hasOwnProperty check. Crafted expressions could use $hasOwnProperty, $spread, $string, prototype access, and $constructor to reach the object prototype a...

CVE-2026-77414

JSONata (a JSON query and transformation language) is vulnerable to arbitrary code execution in versions prior to 1.8.8 and 2.2.1 . The root cause is a bypassable hasOwnProperty check in the environment.lookup function of src/jsonata.js. An attacker can craft expressions chaining $hasOwnProperty,...