Applied Cybernetics Group
Threat intel → detection pipeline
Tuesday, July 14, 2026
Data as of 20:11 UTC

known ransomware use

NextGen Healthcare Mirth Connect Deserialization of Untrusted Data Vulnerability

Added to KEV
2024-05-20
Federal due date
2024-06-10
Vendor
NextGen Healthcare
Product
Mirth Connect
EPSS
99.6th percentile (score 0.827, as of 2026-07-13)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-43208

CISA short description

NextGen Healthcare Mirth Connect contains a deserialization of untrusted data vulnerability that allows for unauthenticated remote code execution via a specially crafted request.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.