CVE-2026-2380 Arista EOS - Information Disclosure

Arista EOS contains an information disclosure vulnerability caused by unintentional logging of sensitive requests and responses in OpenConfig-related services, letting attackers access sensitive data, exploit requires access to logs.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-256

Vendor fix

Update to the latest EOS version with logging fixes.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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