What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-22 · updated 2026-10-23
• Weakness: CWE-319

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

• InterSystems IRIS for Health: 2026.2.0.221, 2026.1.0.235, 2025.3.0.226

References

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

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