CVE-2026-73457
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductEOS
PublishedSep 16, 2026
First seenSep 16, 2026
Weakness typeCWE-532CWE-532
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Arista Networks EOS | 4.36.0 ≤ v ≤ 4.36.1F, 4.35.0 ≤ v ≤ 4.35.5M, 4.34.2F ≤ v ≤ 4.34.7M | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.