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CVE-2026-73465

On affected platforms running Arista EOS, under certain circumstances plaintext private keys

6.0 Medium

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
High
User interaction
Passive

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.13%Unchanged since Sep 16, 2026
90%50%10%1%

What each source reports

CVE List Score used6.0

On affected platforms running Arista EOS, under certain circumstances plaintext private keys

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.

Record
CVE-2026-73465
CVSS 4.0
6.0 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
CVSS 3.1
6.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-532
Updated
2026-11-02
EUVDEUVD-2026-790236.0

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.

Record
EUVD-2026-79023
CVSS 4.0
6.0 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-34vr-qc7c-7p386.0

On affected platforms running Arista EOS, under certain circumstances plaintext private keys may...

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.

Record
GHSA-34vr-qc7c-7p38
CVSS 4.0
6.0 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-532
Updated
2026-11-02
NVD6.0

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.

Record
CVE-2026-73465
CVSS 4.0
6.0 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-532
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-73465 is a medium vulnerability (CVSS 6.0) in Arista Networks Eos, published September 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. No source names a fixed version.

References

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