CVE-2026-52746: fallo de gravedad alta en jsonata-js jsonata
JSONata: Malicious inputs to "$toMillis" function can cause resource exhaustion
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.5epss 0.7%
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Productos afectados
jsonata-js · jsonataCVEs relacionadas — jsonata-js jsonata
En el mismo producto, de las más peligrosas a las menos.
CVE-2024-27307CRITICALJSONata expression can pollute the "Object" prototypeEPSS 1.4%CVE-2026-77415CRITICALJSONata: Arbitrary Code Execution via crafted JSONata expressionsEPSS 0.9%CVE-2026-77413CRITICALJSONata: Arbitrary Code Execution via crafted JSONata expressionsEPSS 0.7%CVE-2026-77414CRITICALJSONata: Arbitrary Code Execution via crafted JSONata expressionsEPSS 0.6%CVE-2026-12208MEDIUMjsonata-js jsonata Function Binding Frame System jsonata.js createFrame prototype pollutionEPSS 0.3%
Referencias
https://github.com/jsonata-js/jsonata/commit/80ba95d170f74e3f20f4f36b8b77d8c85cea7686https://github.com/jsonata-js/jsonata/commit/d6ffc17cb16a8e53c222205bd274624e919cce0bhttps://github.com/jsonata-js/jsonata/pull/782https://github.com/jsonata-js/jsonata/pull/793https://github.com/jsonata-js/jsonata/releases/tag/v1.8.9https://github.com/jsonata-js/jsonata/releases/tag/v2.2.0https://github.com/jsonata-js/jsonata/security/advisories/GHSA-86vw-mfpg-wwv9