Improper privilege management in Arista Extensible Operating System (EOS) - CVE-2026-52897
Published: June 24, 2026
Vulnerability identifier: #VU135097
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-52897
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Arista Networks
Affected software:
Arista Extensible Operating System (EOS)
Arista Extensible Operating System (EOS)
Detailed vulnerability description
The vulnerability allows a local user to perform unauthorized operations.
The vulnerability exists due to improper privilege management in user privilege handling on the device when authenticated users access the system. A local user can obtain privilege levels that exceed intended restrictions to perform unauthorized operations.
The agent must be configured to stream to CloudVision for exploitation.
How to mitigate CVE-2026-52897
Install security update from vendor's website.