Vulnerability · Published Oct 22, 2026 · Assigned by icscert
CVE-2026-111594InterSystems Corporation InterSystems IRIS for Health Cleartext Transmission of Sensitive Information
High 8.1
In plain English
A high-severity security flaw in IRIS for Health from InterSystems. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.2%top 91.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| InterSystems | IRIS for Health | 2026.2.0.2212026.1.0.2352025.3.0.226 |
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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