Is CVE-2026-102156 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-102156 being exploited in the wild.

How severe is CVE-2026-102156?

Medium severity, with a CVSS score of 6.8, published 6 October 2026.

Which products and versions are affected?

Arista Cloudvision Portal 2021.2.0 through 2026.2.0.

How is CVE-2026-102156 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-102156?

Check whether you run Arista Cloudvision Portal at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-102156: Arista CloudVision CUE LDAP injection

CVE-2026-102156 · Severity: medium · CVSS 6.8 · Published 2026-10-06

Arista CloudVision CUE is a Wi-Fi management service deployed on CloudVision Portal. An unauthenticated attacker can inject malicious LDAP queries against the configured directory service when LDAP authentication is enabled, potentially gaining unauthorized access to directory data. This requires complex exploitation conditions and only affects on-premises deployments with specific features enabled.

Technologies: Arista Cloudvision Portal. Vendors: Arista.

Quick answers

Is CVE-2026-102156 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-102156 being exploited in the wild.
How severe is CVE-2026-102156?: Medium severity, with a CVSS score of 6.8, published 6 October 2026.
Which products and versions are affected?: Arista Cloudvision Portal 2021.2.0 through 2026.2.0.
Is there a fix for CVE-2026-102156?: Yes: fixed in 2026.2.1 and later. Until then: Disable LDAP Authentication in CV-CUE prior to upgrading. Ensure an alternative authentication mechanism is properly configured first to avoid rendering the management service unavailable to LDAP-dependent users.</anigation> <parameter name="timeline">[{"kind":"disclosed","at":"2026-10-06"}] Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-102156 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-102156?: Check whether you run Arista Cloudvision Portal at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: 2026.2.1 and later

Disable LDAP Authentication in CV-CUE prior to upgrading. Ensure an alternative authentication mechanism is properly configured first to avoid rendering the management service unavailable to LDAP-dependent users.</anigation> <parameter name="timeline">[{"kind":"disclosed","at":"2026-10-06"}]

Technical details

The vulnerability is an improper neutralization of LDAP authentication input (CWE-74) allowing LDAP injection. It affects CloudVision CUE when the wifimanager backend is enabled and LDAP authentication is configured. An unauthenticated network attacker can craft malicious LDAP queries under high-complexity conditions to extract information from the directory service; a fix is available in version 2026.2.1.

Affected products

Arista CloudVision Portal 2021.2.0 through 2026.2.0

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24807-security-advisory-0191

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