{"cve":"CVE-2026-52746","nvd":{"published":"2026-07-17T19:17:16.500","modified":"2026-10-24T20:10:00.137","status":"Modified","description":"JSONata is a JSON query and transformation language. Prior to 2.2.0 and 1.8.9, malicious non-matching inputs to the $toMillis function can cause superlinear backtracking in the ISO-8601 validation regex, leading to denial of service in applications that evaluate user-provided JSONata expressions. This issue is fixed in version 2.2.0 and 1.8.9.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://github.com/jsonata-js/jsonata/commit/80ba95d170f74e3f20f4f36b8b77d8c85cea7686","https://github.com/jsonata-js/jsonata/commit/d6ffc17cb16a8e53c222205bd274624e919cce0b","https://github.com/jsonata-js/jsonata/pull/782","https://github.com/jsonata-js/jsonata/pull/793","https://github.com/jsonata-js/jsonata/releases/tag/v1.8.9"],"products":["jsonata:jsonata"],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-52746","score":0.00689,"percentile":0.52491,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-86vw-mfpg-wwv9","url":"https://osv.dev/vulnerability/GHSA-86vw-mfpg-wwv9","summary":"jsonata: Malicious inputs to \"$toMillis\" function can cause resource exhaustion","modified":"2026-08-03T21:00:22.986728376Z","packages":[{"ecosystem":"npm","name":"jsonata","purl":"pkg:npm/jsonata","ranges":[">=2.0.0 <2.2.0"],"fixed":["2.2.0"]},{"ecosystem":"npm","name":"jsonata","purl":"pkg:npm/jsonata","ranges":["<1.8.9"],"fixed":["1.8.9"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}