Unauthenticated remote access to Arista CV-CUE backend can expose sensitive info or disrupt network services; impacts core networking infrastructure used enterprise-wide.
CVE-2026-102159
Unauthenticated access to Arista CV-CUE backend exposing internal functions
Is CVE-2026-102159 being exploited?
Not confirmed. CVE-2026-102159 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-102159?
CVE-2026-102159 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-102159?
Yes. A fix has been recorded for CVE-2026-102159. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-102159 affect?
CVE-2026-102159 affects Arista CV-CUE backend, Arista CloudVision/CV-CUE deployments. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-102159?
Restrict CV-CUE network access (ACLs/segmentation), follow vendor mitigations, patch when vendor update is released
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated network attacker can reach internal-only APIs, expose sensitive location data, and disrupt CV-CUE/management services.
Immediate action required
- affected>= 2022.3.0 and <= 2026.2.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.