Medium severity · published Sep 16, 2026
CVE-2026-73457
Under certain circumstances, the gNPSI client credentials might be logged in clear text, in local or remote accounting logs to authenticated users.
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface (gNPSI) enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EO
EOS · Arista Networks
4.36.0 through 4.36.1F; 4.35.0 through 4.35.5M; 4.34.2F through 4.34.7M · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73457
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73457
www.arista.com
https://www.arista.com/en/support/advisories-notices/security-advisory/24714-security-advisory-0158
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