{"id":"CVE-2026-78224","title":"The XSLT Transformer Step builds a bare TransformerFactory without the proper security options set, so XXE injection can allow data exfiltration and denial-of-service attacks.","summary":"The XSLT Transformer Step builds a bare TransformerFactory without the proper security options set, so XXE injection can allow data exfiltration and denial-of-service attacks.","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","cwe":["CWE-611"],"vendor":"NextGen Healthcare","product":"Mirth Connect","affected":["mirth_connect <= 4.7.1"],"published":"2026-09-11","updated":"2026-09-18","sourceUpdated":"2026-09-18T19:40:31.053","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78224","references":[{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-253-01.json","label":"ics-cert@hq.dhs.gov"},{"url":"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-01","label":"ics-cert@hq.dhs.gov"}],"tags":["nvd","cve.org"],"epss":0.00437,"epssPercentile":0.375,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-11T14:51:00.487459Z"},"ingestedAt":"2026-09-11T16:45:47.861Z","slug":"CVE-2026-78224","body":"## Overview\n\nThe XSLT Transformer Step builds a bare TransformerFactory without the proper security options set, so XXE injection can allow data exfiltration and denial-of-service attacks.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}