Critical severity10.0NVD Advisory· Published Sep 16, 2026· Updated Sep 16, 2026
CVE-2026-73456
CVE-2026-73456
Description
Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface (gNPSI) enabled, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised switch.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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