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A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident. A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident.
Saturday, October 31, 2026 Issue #499  ·  Est. 2025
Independent brief for device makers
Manufacturers // Abbott // Products

myMerlin Mobile Application (Android)

Recorder, Event, Implantable Cardiac, (Without Arrhythmia Detection). Attributes come from Abbott's own public documentation for this product.

Attributes

Signals
Mobile app Handles patient data Remote access Physiological waveform processing
Properties (MITRE EMB3D)
PID-31 Application-level software is present and running on the device PID-41 Device exposes remote network services
Platform
Android iOS
Attributes: component types
Generic Application Generic Hardware Local Service Memory Mobile Application Sensor Modules
Attributes: assets
Patient Data Sensor Data Software Configuration
Attributes: dataflows
myMerlin mobile application to Confirm Rx ICM (patient-initiated EGM storage trigger with symptoms)

Matched threat intel

3

Advisories in our coverage that share an attribute with this product. A shared attribute is a lead, not a finding. The status column shows only what Abbott has said.

AdvisoryDateSharedAbbott status
EMS patient-care app reflects unsanitized input into a WebViewFeb 10, 2026Same platformiOS 2.6No feedback feed from manufacturer
Dario Health glucose monitoring app and servers exposed cross-user health dataFeb 27, 2025Same platformAndroidNo feedback feed from manufacturer
Philips HealthSuite Health Android app uses encryption too weak for its dataDec 6, 2018Same platformAndroidNo feedback feed from manufacturer

Threats and weaknesses in matched advisories

MITRE EMB3D threats
TID-221 Authentication Bypass By Message Replay TID-226 Device leaks security information in logs TID-317 Predictable Cryptographic Key TID-318 Insecure Cryptographic Implementation TID-319 Cross Site Scripting (XSS) TID-324 HTTP Direct Object Reference TID-329 Improper Password Storage TID-408 Unencrypted Sensitive Data Communication
CWE weaknesses
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor CWE-284 Improper Access Control CWE-294 Authentication Bypass by Capture-replay CWE-321 Use of Hard-coded Cryptographic Key CWE-639 Authorization Bypass Through User-Controlled Key CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-916 Use of Password Hash With Insufficient Computational Effort