CVE-2026-111594
InterSystems Corporation InterSystems IRIS for Health Cleartext Transmission of Sensitive Information
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.2
InterSystems Corporation InterSystems IRIS for Health Cleartext Transmission of Sensitive Information
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.
- Record
CVE-2026-111594- CVSS 4.0
- 9.2 Critical
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-319
- Updated
- 2026-11-02
EUVDEUVD-2026-108523
9.2
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.
- Record
EUVD-2026-108523- CVSS 4.0
- 9.2 Critical
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qg7q-rhjp-mfxj
9.2
InterSystems IRIS for Health has TLS/SSL encryption turned off by default, which may enable an...
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.
- Record
GHSA-qg7q-rhjp-mfxj- CVSS 4.0
- 9.2 Critical
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-319
- Updated
- 2026-11-02
NVD
9.2
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.
- Record
CVE-2026-111594- CVSS 4.0
- 9.2 Critical
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-319
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-111594 is a critical vulnerability (CVSS 9.2) in Intersystems Iris For Health, published October 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.
References
docs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls?KEY=ROARS_gsecuring_checklist
docs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls?KEY=GSA_manage_superserver
wrc.intersystems.com
cisa.gov/news-events/ics-medical-advisories/icsma-26-295-01
github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-295-01.json
nvd.nist.gov/vuln/detail/CVE-2026-111594
github.com/advisories/GHSA-qg7q-rhjp-mfxj