---
cve: "CVE-2026-19640"
severity: "LOW"
cvss: 2.3
epss: "19%"
vendor: "Arista Networks"
kev: false
exploited: false
published: "2026-09-16 09:11:32"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T20:33:17+02:00"
---

# CVE-2026-19640

> 2.3 LOW

## Beschreibung

On affected platforms running Arista EOS, an authenticated user with access to the gNMI (gRPC Network Management Interface) may receive incorrect authorization results, potentially allowing access beyond their currently assigned permissions.

This issue was discovered internally by Arista and the company is not aware of any malicious uses of this issue in customer networks.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.arista.com/en/support/advisories-notices/security-advisory/24726-security-advisory-0170>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-19640) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_