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Arista NetworksCVE-2026-73457

Arista Networks EOS: secrets in logs

Medium6.0CVE-2026-73457 · Published Sep 16, 2026 · updated Sep 17, 2026

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.

Arista Networks advisory

Affected versions

PackageAffectedFixed in
EOS
Product
>= 4.36.0, <= 4.36.1FNo fix yet
>= 4.35.0, <= 4.35.5MNo fix yet
>= 4.34.2F, <= 4.34.7MNo fix yet
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-532

More Arista Networks advisories

All Arista Networks
Advisory
Arista Networks EOS: remote code execution
Critical9.2Sep 16
Arista Networks EOS: out-of-bounds read
High7.1Sep 16
Arista Networks EOS: secrets in logs
Low2.1Sep 16
Arista Networks EOS: denial of service
Medium5.3Sep 16
Arista Networks VeloCloud Edge: missing authentication
High8.7Sep 16
Arista Networks VeloCloud: out-of-bounds write
High8.2Sep 16

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