CVE-2026-73439CWE-842

CVE-2026-73439

High · published September 16, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
28.1
In the wild
Unconfirmed
What it is

On affected platforms running Arista EOS, if OpenConfig is configured and running a gNMI server on the system, and if gNSI Pathz is configured and a gNSI Pathz policy is present on the system, then gNMI may fail to correctly enforce the rules in this policy if both a group rule and a user rule for the same path is present in the policy. Under certain conditions, this can lead to an authenticated user gaining unauthorized permission to read or write gNMI paths that the Pathz policy is intended to restrict.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
7.7 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00356 · 28.1th percentile
Weakness
CWE-842 · Placement of User into Incorrect Group
Published
2026-09-16T13:17Z
References (1)
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 16 SEP 08:09Z
    Security Advisory 0164
    cvelistv5