CVE record · CVE-2026-73466

On affected platforms running Arista EOS, under certain circumstances plaintext user passwords

CVSS 6.0 MediumEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: Arista) at 15 Sept 2026, 18:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Arista Networks	EOS	affected 4.36.0 to 4.36.1F, inclusive custom affected 4.35.0 to 4.35.4M, inclusive custom affected 4.34.0 to 4.34.7M, inclusive custom affected 0.0.0 to 4.33.9M, inclusive custom affected 4.32.0 and earlier custom affected 4.31.0 and earlier custom Other versions: unaffected

Identifiers: CVE-2026-73466
CNA: Arista
Weakness (CWE): CWE-532
Tags: Arista Networks EOS
Information disclosure
Published: 15 Sept 2026
Updated: 3 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.3	Medium	3.1	CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H	CNA (Arista)
6.0	Medium	4.0	CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H	CNA (Arista)Used for this record

CISA KEV Not listed.
EPSS 0.0013, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

15 Sept 2026, 18:41 UTC Confirmed by the CVE List

Sources

References from the CNA

www.arista.com/en/support/advisories-notices/security-advisory/24709-security-advisory-0153 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.