{"id":"CVE-2026-44664","sourceIdentifier":"security-advisories@github.com","published":"2026-05-13T16:16:58.937","lastModified":"2026-10-26T18:10:00.173","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"fast-xml-builder builds XML from JSON. In 1.1.5, the fix for CVE-2026-41650 in fast-xml-parser sanitizes -- sequences in XML comment content using .replace(/--/g, '- -'). This skip the values containing three consecutive dashes (e.g., --->...), allowing an attacker to break out of an XML comment and inject arbitrary XML/HTML content. This vulnerability is fixed in 1.1.6."},{"lang":"es","value":"fast-xml-builder construye XML a partir de JSON. En 1.1.5, la corrección para CVE-2026-41650 en fast-xml-parser sanitiza las secuencias -- en el contenido de los comentarios XML utilizando .replace(/--/g, ’- -’). Esto omite los valores que contienen tres guiones consecutivos (p. ej., --->...), permitiendo a un atacante escapar de un comentario XML e inyectar contenido XML/HTML arbitrario. Esta vulnerabilidad está corregida en 1.1.6."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"NaturalIntelligence","product":"fast-xml-builder","versions":[{"version":"1.1.5","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:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-13T16:41:12.773476Z","id":"CVE-2026-44664","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-91"}]}],"references":[{"url":"https://github.com/NaturalIntelligence/fast-xml-builder/security/advisories/GHSA-45c6-75p6-83cc","source":"security-advisories@github.com"}]}