Security Advisory
CVE-2026-52746
7.5
HIGH
Vulnerability Description
JSONata is a JSON query and transformation language. Prior to 2.2.0, malicious non-matching inputs to the $toMillis function can cause superlinear backtracking in the ISO-8601 validation regex, leading to denial of service in applications that evaluate user-provided JSONata expressions. This issue is fixed in version 2.2.0.
Published Date
July 17, 2026
Official Source
NIST NVD Advisory