What is CVE-2026-73467?

CVE-2026-73467 is a medium-severity vulnerability in Arista Networks Eos, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.3/10. Published 2026-09-15.

How severe is CVE-2026-73467?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Information disclosure in Arista Networks Eos

CVE-2026-73467

On affected platforms running Arista EOS, under certain circumstances plaintext shared secrets for configured Terminal Access Controller Access-Control System Plus (TACACS+) servers

Published 2026-09-15 · last modified 2026-09-16.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.7th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Arista Networks Eos

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.arista.com/en/support/advisories-notices/security-advisory/24709-security-a… (vendor-advisory)

Frequently asked questions

What is CVE-2026-73467?: CVE-2026-73467 is a medium-severity vulnerability in Arista Networks Eos, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.3/10. Published 2026-09-15.
How severe is CVE-2026-73467?: Medium severity. CVSS v3 base score is 6.3 out of 10.