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CVE-2026-52746

HIGH CVSS: 7.5 Published: 2026-07-17 Modified: 2026-08-03

Description

JSONata is a JSON query and transformation language. Prior to 2.2.0 and 1.8.9, 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 and 1.8.9.

Affected Platforms

Jsonata Jsonata

Weakness Type

CWE-1333

References