What is CVE-2026-111594?

CVE-2026-111594 is a high-severity vulnerability in Intersystems Iris For Health, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2026-10-22.

How severe is CVE-2026-111594?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Intersystems Iris For Health

CVE-2026-111594

InterSystems IRIS for Health has TLS/SSL encryption turned off by default, which may enable an attacker to view transmitted data and use that data to log into the device.

Published 2026-10-22 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Intersystems Iris For Health — versions 2025.3.0.226, 2026.1.0.235, 2026.2.0.221

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

Frequently asked questions

What is CVE-2026-111594?: CVE-2026-111594 is a high-severity vulnerability in Intersystems Iris For Health, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2026-10-22.
How severe is CVE-2026-111594?: High severity. CVSS v3 base score is 8.1 out of 10.