CVE-2026-82583 NextGen Healthcare CVE debrief

Who should care

Defenders responsible for NextGen Connect (Mirth Connect) systems should assess exposure and prioritize patching. This includes reviewing compensating controls for exposed systems, monitoring for suspicious activity, and tracking exceptions. The vulnerability has a CVSS score of 7.2 and is considered high-severity.

Why it matters

CVE-2026-82583 is a high-severity SQL injection vulnerability in NextGen Connect (Mirth Connect) that could allow authenticated users to execute arbitrary SQL, leading to potential credential disclosure, arbitrary file write, and denial-of-service conditions. Defenders should prioritize verifying and patching affected systems.

• Authenticated users could execute arbitrary SQL, potentially leading to disclosure of stored credentials for connected systems.
• Arbitrary file write could occur, allowing attackers to modify system files.
• A denial-of-service condition could be triggered, impacting system availability.

Technical summary

CVE-2026-82583 is a SQL injection vulnerability in NextGen Connect (Mirth Connect) versions 4.7.1 and earlier. This vulnerability allows authenticated users to execute arbitrary SQL, potentially leading to credential disclosure, arbitrary file write, and denial-of-service conditions. The vulnerability has a CVSS score of 7.2 and is considered high-severity. Defenders should prioritize verifying and patching affected systems. The CVE record was published on 2026-09-11T15:17:06.510Z and has not been modified since then.

Defensive priority

Defenders should prioritize verifying and patching affected NextGen Connect (Mirth Connect) versions 4.7.1 and earlier.

Recommended defensive actions

• Verify and patch affected NextGen Connect (Mirth Connect) versions 4.7.1 and earlier.
• Restrict access to the Database Connector API.
• Monitor for suspicious activity on affected systems.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE description notes that NextGen Connect (Mirth Connect) versions 4.7.1 and earlier allow an authenticated user to execute arbitrary SQL through a Database Connector API. This could result in disclosure of stored credentials for connected systems, arbitrary file write, and a denial-of-service condition. The vulnerability has a CVSS score of 7.2 and is considered high-severity. Defenders should prioritize verifying and patching affected systems.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.