PT-2026-55476

CVE-2026-52746

Published

2026-07-02

Updated

2026-10-20

Description by

CVSS 3.1

7.5

High

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions JSONata versions prior to 2.2.0

Description Malicious non-matching inputs provided to the $toMillis() function can trigger superlinear backtracking within the ISO-8601 validation regex. This behavior can lead to a denial of service in applications that evaluate JSONata expressions provided by users.

Recommendations Update to version 2.2.0 or later.

Exploitability

Exploit

Fix

Impacts

Vendors

Affected products

Weakness enumeration

CWE-1333: Inefficient Regular Expression Complexity

Related identifiers

CVE-2026-52746

GHSA-86VW-MFPG-WWV9