CVE-2026-73457

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73456

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...

EUVD-2026-81008

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73457 Under certain circumstances, the gNPSI client credentials might be logged in clear text, in local or remote accounting logs to authenticated users.

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73457 Under certain circumstances, the gNPSI client credentials might be logged in clear text, in local or remote accounting logs to authenticated users.

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73457

CVE-2026-73457 affects Arista EOS platforms with the gRPC Network Packet Sampling Interface (gNPSI) enabled. When the EosRpcAuth trace facility is explicitly activated on the Gnpsi agent, client credentials (username and password) are written in clear text to local or remote accounting logs, acce...

CVE-2026-73456

Arista EOS platforms with the gNPSI (gRPC Network Packet Sampling Interface) enabled are vulnerable to unauthenticated arbitrary code execution via crafted gNPSI requests (CWE-94, code injection), granting full administrative control of the switch. CVSS 3.1 score: 10.0 . Exploitation requires gNP...

CVE-2026-73456 Under certain circumstances, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised switch.

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...

EUVD-2026-81006

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...

CVE-2026-73457: Insertion of Sensitive Information into Log File

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73456: Improper Control of Generation of Code

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...

PT-2026-92042

Name of the Vulnerable Software and Affected Versions Arista EOS affected versions not specified Description On platforms running Arista EOS with the gRPC Network Packet Sampling Interface gNPSI enabled, an unauthenticated gNPSI client can send a specially crafted request. This can lead to...

PT-2026-92043

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

Vulnerabilities hidden in Arista EOS

Arista has identified vulnerabilities in the Arista EOS platform. The vulnerability with identifier CVE-2026-73456 occurs during the processing of requests sent via gNPSI. Under this vulnerable configuration, an unauthenticated client can send malicious requests, potentially leading to code...

Security Advisory 0158

Security Advisory 0158 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added Description Both CVE-2026-73456 and CVE-2026-73457 affect Arista EOS-based platforms with gRPC Network Packet...