EUVD-2026-76117
GHSA-57hc-mr64-vrxx
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable, no auth per CVSS 4.0; C:H for file exfiltration; A:L added since description explicitly states DoS is achievable despite VA:N in provided vector.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
5Description PRE-NVD
AnalysisAI
XXE injection in NextGen Mirth Connect allows unauthenticated remote attackers to exfiltrate arbitrary files from the server and trigger denial-of-service conditions when XML batch processing is enabled with the XPath option selected. The vulnerability stems from the absence of entity restrictions in the default XPath/JAXP XML parser configuration, permitting malicious external entity declarations to be resolved. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | XML batch processing must be enabled on a Mirth Connect channel AND the XPath message processing option must be specifically selected for that channel - both conditions must be true simultaneously. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H) represents a high-severity, network-reachable, unauthenticated confidentiality compromise, scoring 8.7. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patch per the CISA ICSMA-26-253-01 advisory at https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-01; exact fix versions should be obtained directly from that advisory, as no specific patched release number was included in the supplied data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Mirth Connect deployments in use and determine which instances have XPath batch XML processing enabled; assess network accessibility and data sensitivity of affected systems. …
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External POC / Exploit Code
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