Cleartext storage of sensitive information in Arista Extensible Operating System (EOS) - CVE-2026-11704
Published: June 24, 2026
Vulnerability identifier: #VU135093
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-11704
CWE-ID: CWE-312
Exploitation vector: Remote 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 remote user to stream unexpected data to CloudVision.
The vulnerability exists due to cleartext storage of sensitive information in the Streaming Telemetry Agent (TerminAttr) when streaming to CloudVision. A remote privileged user can access the stored data to stream unexpected data to CloudVision.
The agent must be configured to stream to CloudVision for exploitation.
How to mitigate CVE-2026-11704
Install security update from vendor's website.