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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.

Vulnerability

Olympus VaultStream Server 10.x and older affected by .NET, HTTP/2 and PHP flaws

MedDevice Cyber Staff · May 25 · 2 min read · Via Olympus security advisory SA20260525

Olympus published a security advisory on May 25, 2026 for VaultStream Server software versions 10.x and older. The product is affected by a set of third-party vulnerabilities, among them .NET Framework remote code execution, HTTP/2 Rapid Reset (CVE-2023-44487) and the PHP flaw CVE-2024-4577. Olympus scores them with environmental CVSS 4.0 up to 7.3.

Olympus has identified no exploitation and no patient safety impact. Under certain network access conditions, though, exploitation could allow unauthorized access to patient information. A dozen third-party CVEs on one video archive server is an SBOM problem first, and the network boundary is the control until each component is updated.

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Remediation Desk

For ProvidersOperators, hospitals, and clinical engineering

Follow the Olympus advisory for VaultStream Server 10.x and older. Restrict network access to the server to required clinical endpoints, since exploitation depends on network access conditions and could expose patient information.

Identify servers. Find VaultStream Server installs on 10.x or older.
Restrict network access. Limit which hosts can reach VaultStream Server, especially its web services.
Apply Olympus updates. Install the remediation Olympus provides for the .NET, HTTP/2 and PHP components.

For Device ManufacturersAm I affected, and how to fix the class

Am I affected?

This class applies to devices with the signals and properties below. Check them against your product to gauge exposure. The named product rows list what the sources state about the affected product.

Required

Off-the-shelf software

Contributing

Handles patient data

VaultStream Server

PID-41 Off-the-shelf software Handles patient data Web interface

Fix the class in your product

The advisory is not for a bug you wrote; it is in a component you embed. As the maker, pin dependencies to fixed versions, generate an SBOM on every build including transitive components, and gate the pipeline on known-vulnerable components so an advisory maps to your products automatically.

Pin and inventory. Exact versions, and a CycloneDX or SPDX SBOM as a build artifact including transitive deps.
Gate on advisories. A CI scan fails a release carrying a component with a known advisory.
Own the field patch path. Know how you deliver a dependency or platform patch to fielded devices before you need it.

Mapped EMB3D mitigations

Questions & Answers

Which vulnerabilities affect Olympus VaultStream Server?

Olympus's May 25, 2026 advisory lists VaultStream Server 10.x and older as affected by third-party flaws including .NET Framework remote code execution, HTTP/2 Rapid Reset CVE-2023-44487 and PHP CVE-2024-4577, scored up to 7.3 environmental CVSS 4.0.

Does the VaultStream Server vulnerability affect patient safety?

Olympus identified no exploitation and no patient safety impact for VaultStream Server 10.x and older, but says that under certain network access conditions exploitation could allow unauthorized access to patient information.

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