Full Report
NVIDIA security advisory (AV26-849)
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in NVIDIA Software (August 2026 Advisory)
## CVE Details
*Note: Specific CVE identifiers and scores are typically detailed within the individual sub-bulletins linked in the advisory.*
- **CVE ID:** CVE-2026-XXXXX (Multiple)
- **CVSS Score:** Varies by product (Review individual bulletins for specific scores)
- **CWE:** Varies (Typically includes Injection, Improper Access Control, or Buffer Overflows)
## Affected Systems
- **Products:**
- NVIDIA NemoClaw and OpenShell
- NVIDIA Unified Fabric Manager (UFM)
- NVIDIA DGX Spark
- **Versions:**
- **DGX Spark:** Versions prior to 1.110.13
- **NemoClaw/OpenShell:** Multiple versions (See Bulletin 5872)
- **Unified Fabric Manager:** Multiple versions and models (See Bulletin 5809)
- **Configurations:** Systems running affected AI frameworks, fabric management software, or DGX infrastructure tools.
## Vulnerability Description
This advisory covers a suite of vulnerabilities across NVIDIA’s enterprise and AI infrastructure software.
- **NemoClaw/OpenShell:** Likely involves flaws in how these AI/Shell utilities handle commands or data input.
- **Unified Fabric Manager:** Vulnerabilities in this tool often relate to unauthorized access or management interface weaknesses in data center fabrics.
- **DGX Spark:** Remediation in version 1.110.13 addresses potential data processing or container security flaws within the Spark integration for DGX systems.
## Exploitation
- **Status:** Not reported as exploited in the wild (refer to latest vendor updates for changes).
- **Complexity:** Medium to High (Environment dependent).
- **Attack Vector:** Typically Local or Adjacent (Network access to the management plane for UFM).
## Impact
- **Confidentiality:** High (Potential data exposure in Spark/AI workloads).
- **Integrity:** High (Risk of unauthorized configuration changes in Fabric Manager).
- **Availability:** High (Potential for Denial of Service in critical infrastructure).
## Remediation
### Patches
- **DGX Spark:** Upgrade to version **1.110.13** or later.
- **NemoClaw and OpenShell:** Apply updates as specified in NVIDIA Security Bulletin **5872**.
- **Unified Fabric Manager:** Apply updates as specified in NVIDIA Security Bulletin **5809**.
### Workarounds
- **Network Segmentation:** Ensure Unified Fabric Manager interfaces are not exposed to the public internet.
- **Least Privilege:** Limit user access to DGX Spark and NemoClaw utilities to authorized personnel only.
## Detection
- **Indicators of Compromise:** Unusual administrative logins to UFM; unexpected process execution within DGX Spark containers.
- **Detection methods and tools:** Audit system logs for NVIDIA-related services; use vulnerability scanners updated with the latest August 2026 definitions.
## References
- **Vendor advisories:**
- NVIDIA Security Bulletin (NemoClaw/OpenShell): hxxps[://]nvidia[.]custhelp[.]com/app/answers/detail/a_id/5872
- NVIDIA Security Bulletin (UFM): hxxps[://]nvidia[.]custhelp[.]com/app/answers/detail/a_id/5809
- NVIDIA Security Bulletin (DGX Spark): hxxps[://]nvidia[.]custhelp[.]com/app/answers/detail/a_id/5867
- **Relevant links:**
- NVIDIA Product Security GitHub: hxxps[://]github[.]com/NVIDIA/product-security/tree/main/2026/5872
- NVIDIA Product Security Portal: hxxps[://]www[.]nvidia[.]com/en-us/security/