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Advisory severityCritical9.1NetApp

Critical [CVE-2026-33186] gRPC-Go Vulnerability in NetApp Products

This critical-severity NetApp advisory covers CVE-2026-33186 affecting ONTAP tools for VMware vSphere 10.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

NTAP-20260422-0005 Source published Source updated

VulniPulse record published Record updated

CVE-2026-33186
Affected products & platforms
NetAppONTAP tools for VMware
Open source advisory

Summary

Multiple NetApp products incorporate gRPC-Go. gRPC-Go versions prior to 1.79.3 are susceptible to a vulnerability which when successfully exploited could lead to disclosure of sensitive information or addition or modification of data. Affected products: ONTAP tools for VMware vSphere 10.

NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.

Is CVE-2026-33186 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-33186 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-33186?

Upgrade to a fixed release named by NetApp:

  • ONTAP tools for VMware vSphere 10: 10.5P2

Confirm against the vendor advisory before you patch.

Affected versions
  • 1.79.3

Official advisory · high-confidence parse· fetched 4 months ago·verify at source

Fixed versions
  • ONTAP tools for VMware vSphere 10: 10.5P2

Official advisory · high-confidence parse· fetched 4 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update affected NetApp products to a fixed release: ONTAP tools for VMware vSphere 10: 10.5P2.

Official advisory · high-confidence parse· fetched 4 months ago·verify at source

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