{"id":"CVE-2026-52746","sourceIdentifier":"security-advisories@github.com","published":"2026-07-17T19:17:16.500","lastModified":"2026-10-24T20:10:00.137","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"JSONata es un lenguaje de consulta y transformación de JSON. Antes de 2.2.0, entradas maliciosas no coincidentes a la función $toMillis pueden causar un retroceso superlineal en la expresión regular de validación ISO-8601, lo que lleva a una denegación de servicio en aplicaciones que evalúan expresiones JSONata proporcionadas por el usuario. Este problema se ha corregido en la versión 2.2.0."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"jsonata-js","product":"jsonata","versions":[{"version":">= 2.0.0, < 2.2.0","status":"affected"},{"version":"< 1.8.9","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-17T19:44:39.303237Z","id":"CVE-2026-52746","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-1333"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:jsonata:jsonata:*:*:*:*:*:*:*:*","versionEndExcluding":"2.2.0","matchCriteriaId":"9DE63D03-94E1-4B63-AF59-DB39971BEBBA"}]}]}],"references":[{"url":"https://github.com/jsonata-js/jsonata/commit/80ba95d170f74e3f20f4f36b8b77d8c85cea7686","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/jsonata-js/jsonata/commit/d6ffc17cb16a8e53c222205bd274624e919cce0b","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/jsonata-js/jsonata/pull/782","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/jsonata-js/jsonata/pull/793","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/jsonata-js/jsonata/releases/tag/v1.8.9","source":"security-advisories@github.com"},{"url":"https://github.com/jsonata-js/jsonata/releases/tag/v2.2.0","source":"security-advisories@github.com","tags":["Product","Release Notes"]},{"url":"https://github.com/jsonata-js/jsonata/security/advisories/GHSA-86vw-mfpg-wwv9","source":"security-advisories@github.com","tags":["Patch","Vendor Advisory"]}]}