Information disclosure in Arista Networks Eos
CVE-2026-73465
On affected platforms running Arista EOS, under certain circumstances plaintext private keys may be written in clear text to log files during operations when specialized non-standard debugging trace levels are explicitly enabled. To exploit these vulnerabilities, a malicious actor must already possess authenticated local administrative access to the device shell, and specialized non-standard debugging trace levels must be explicitly enabled. This issue was discovered internally by Arista, and the company is not aware of any malicious exploitation of this vulnerability in customer networks.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- psirt@arista.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-73465?
- CVE-2026-73465 is a medium-severity vulnerability in Arista Networks Eos, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.3/10. Published 2026-09-15.
- How severe is CVE-2026-73465?
- Medium severity. CVSS v3 base score is 6.3 out of 10.