Critical severity · published Sep 16, 2026
CVE-2026-86106
An unauthenticated actor with network access to the private HA interconnect may trigger sensitive HA peer functions without verification
9.6
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VE
VeloCloud Edge · Arista Networks
1.0.0.0 before 5.2.0.0; 5.2.0.0 before 5.2.7.0; 6.1.0.0 before 6.1.5.0; 6.4.0.0 before 6.4.2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86106
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86106
www.arista.com
https://www.arista.com/en/support/advisories-notices/security-advisory/24735-security-advisory-0179
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