CVE-2026-86106

Security Advisory 0179

State: Published
Severity: 8.7 High
Published: Sep 16, 2026
Updated: Sep 16, 2026
Reserved: Sep 5, 2026

Description

An unauthenticated actor with network access to the private HA interconnect may trigger sensitive HA peer functions without verification. This could result in elevated command execution on Edge units where HA is enabled.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	Arista
3.1	9.6 Critical	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	Arista

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
VeloCloud EdgeArista Networks	1.0.0.0 to before 5.2.0.0Affected 5.2.0.0 to before 5.2.7.0Affected 6.1.0.0 to before 6.1.5.0Affected 6.4.0.0 to before 6.4.2.0Affected

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24735-security-advisory-0179vendor-advisory

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