High 8.1HealthcarePublished Oct 22, 2026

CVE-2026-111594InterSystems Corporation InterSystems IRIS for Health Cleartext Transmission of Sensitive Information

Updated under an hour ago (Oct 28, 2026, 3:30 PM ET)

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EPSS puts the chance of exploitation in the next 30 days at 0.19%, higher than 9% of scored CVEs.

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Every CVE for InterSystems IRIS for Health

Exploited in the last 30 days

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.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-319
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.19% (percentile 9)
Assigned by: icscert
NVD analysis: Awaiting Analysis
Record last updated: Oct 22, 2026
First seen by InfoSec Signals: Oct 22, 2026

Affected products

Affected products

InterSystems IRIS for Health intersystems:iris_for_health (from the name)	2026.2.0.221; 2026.1.0.235; 2025.3.0.226	CNA record

References

References

https://docs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls?KEY=ROARS_gsecuring_checklist
https://docs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls?KEY=GSA_manage_superserver
https://wrc.intersystems.com
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-295-01
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-295-01.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.