What is CVE-2026-73457?

CVE-2026-73457 is a medium-severity vulnerability in Arista Networks Eos, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.3/10. Published 2026-09-16.

How severe is CVE-2026-73457?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Arista Networks Eos

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.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Arista Networks Eos

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

psirt@arista.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-73457?: CVE-2026-73457 is a medium-severity vulnerability in Arista Networks Eos, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.3/10. Published 2026-09-16.
How severe is CVE-2026-73457?: Medium severity. CVSS v3 base score is 5.3 out of 10.