Arista VeloCloud Edge prior 5.2.0.0/5.2.7.0/6.1.5.0/6.4.2.0 privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.85-

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Arista VeloCloud Edge. The affected element is an unknown function. Performing a manipulation results in privileges management. This vulnerability is cataloged as CVE-2026-86106. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Arista VeloCloud Edge. It has been classified as very critical. This affects an unknown functionality. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at arista.com. This vulnerability is uniquely identified as CVE-2026-86106 since 09/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/17/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 5.2.0.0, 5.2.7.0, 6.1.5.0 or 6.4.2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-3287). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Arista EOS

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.6
CNA Vector (Arista): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: VeloCloud Edge 5.2.0.0/5.2.7.0/6.1.5.0/6.4.2.0

Timelineinfo

09/05/2026 CVE reserved
09/16/2026 +11 days Advisory disclosed
09/16/2026 +0 days VulDB entry created
09/17/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: arista.com
Status: Confirmed

CVE: CVE-2026-86106 (🔒)
GCVE (CVE): GCVE-0-2026-86106
GCVE (VulDB): GCVE-100-405609
CERT Bund: WID-SEC-2026-3287 - Arista EOS: Mehrere Schwachstellen

Entryinfo

Created: 09/16/2026 12:35
Updated: 09/17/2026 09:09
Changes: 09/16/2026 12:35 (74), 09/17/2026 09:09 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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