Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-52746

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 31.3%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-52746


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