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CVE-2026-111594

InterSystems Corporation InterSystems IRIS for Health Cleartext Transmission of Sensitive Information

9.2 Critical

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

0.19%Unchanged since Oct 23, 2026
90%50%10%1%

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 CriticalCVSS: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 HighCVSS: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 CriticalCVSS: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 CriticalCVSS: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 HighCVSS: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 CriticalCVSS: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 HighCVSS: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

History
RecordedChangedSources
first indexedCVE 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

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