CVE-2026-73454CWE-77command-injection

CVE-2026-73454

High · published September 16, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
32.1
In the wild
Unconfirmed
What it is

On affected platforms running Arista EOS with gRPC Network Security Interface (gNSI) Credentialz configured, a specially crafted request can cause unintended modifications to the target account's properties. This may result in the account being assigned elevated privileges or access beyond what an administrator intended.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
8.6 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00392 · 32.1th percentile
Weakness
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-09-16T13:17Z
References (1)
https://www.arista.com/en/support/advisories-notices/security-advisory/24721-security-advisory-0165 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 16 SEP 08:14Z
    Security Advisory 0165
    cvelistv5