CVE-2026-19640

On affected platforms running Arista EOS, an authenticated user with access to the gNMI gRPC Network Management Interface may receive incorrect authorization results, potentially allowing access beyond their currently assigned permissions. This issue was discovered internally by Arista and the...

CVE-2026-73464

On affected platforms running Arista EOS with gRPC Network Management Interface gNMI enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface gNMI access to execute arbitrary code with root privileges on the switch...

CVE-2026-73439

On affected platforms running Arista EOS, if OpenConfig is configured and running a gNMI server on the system, and if gNSI Pathz is configured and a gNSI Pathz policy is present on the system, then gNMI may fail to correctly enforce the rules in this policy if both a group rule and a user rule fo...

CVE-2026-2380

On affected platforms running Arista EOS with OpenConfig-related services i.e., gNMI, gNSI, RESTCONF and NETCONF, sensitive requests and responses may be unintentionally logged. These may be stored on the local EOS device or recorded on remote accounting servers. Note that gRPC-based streaming vi...

EUVD-2026-80325

On affected platforms running Arista EOS, an authenticated user with access to the gNMI gRPC Network Management Interface may receive incorrect authorization results, potentially allowing access beyond their currently assigned permissions. This issue was discovered internally by Arista and the...

CVE-2026-19640

CVE-2026-19640 is an incorrect authorization flaw (CWE-863) in Arista EOS affecting the gNMI (gRPC Network Management Interface) . An authenticated user with gNMI access may receive incorrect authorization results, potentially gaining access beyond their assigned permissions. Arista discovered th...

CVE-2026-19640 Security Advisory 0170

On affected platforms running Arista EOS, an authenticated user with access to the gNMI gRPC Network Management Interface may receive incorrect authorization results, potentially allowing access beyond their currently assigned permissions. This issue was discovered internally by Arista and the...

CVE-2026-2380

CVE-2026-2380 affects Arista EOS when OpenConfig-related services (gNMI, gNSI, RESTCONF, or NETCONF) are enabled. The OpenConfig/Octa agent may unintentionally log sensitive requests and responses—such as CLI commands containing passwords or OpenConfig YANG secret-key leafs—to local agent logs or...

CVE-2026-73464 Security Advisory 0166

On affected platforms running Arista EOS with gRPC Network Management Interface gNMI enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface gNMI access to execute arbitrary code with root privileges on the switch...

EUVD-2026-80295

On affected platforms running Arista EOS with gRPC Network Management Interface gNMI enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface gNMI access to execute arbitrary code with root privileges on the switch...

CVE-2026-73464

Arista EOS is affected via its gRPC Network Management Interface (gNMI) component. A specially crafted request from an authenticated client with gNMI access can execute arbitrary code with root privileges on the switch. The root cause is classified as CWE-94 (Code Injection) . Exploitation requir...

EUVD-2026-80252

On affected platforms running Arista EOS, if OpenConfig is configured and running a gNMI server on the system, and if gNSI Pathz is configured and a gNSI Pathz policy is present on the system, then gNMI may fail to correctly enforce the rules in this policy if both a group rule and a user rule fo...

CVE-2026-73439 Security Advisory 0164

On affected platforms running Arista EOS, if OpenConfig is configured and running a gNMI server on the system, and if gNSI Pathz is configured and a gNSI Pathz policy is present on the system, then gNMI may fail to correctly enforce the rules in this policy if both a group rule and a user rule fo...

CVE-2026-73439

CVE-2026-73439 is a policy enforcement flaw in Arista EOS affecting the gNMI (gRPC Network Management Interface) server when gNSI Pathz is configured. The root cause (CWE-842) is that gNMI fails to correctly enforce Pathz policy rules when both a group rule and a user rule target the same path, a...

Security Advisory 0166

Security Advisory 0166 PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release The CVE-ID tracking this issue: CVE-2026-73464 CVSSv3.1 Base Score: 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSSv4.0 Base Score: 8.7...

Security Advisory 0164

Security Advisory 0164 PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release The CVE-ID tracking this issue: CVE-2026-73439 CVSSv3.1 Base Score: 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSSv4.0 Base Score: 7.7...

Security Advisory 0170

Security Advisory 0170 PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release The CVE-ID tracking this issue: CVE-2026-19640 CVSSv3.1 Base Score: 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N CVSSv4.0 Base Score: 2.3...

CVE-2024-27890

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch...

CVE-2024-27892 On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (SSL Profiles Enabled).

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch...

CVE-2024-27890

CVE-2024-27890 affects Arista EOS platforms with OpenConfig enabled; a gNMI Set request can be accepted when it should be rejected, causing unexpected configuration changes. Affected EOS versions include 4.29.x (≤4.29.7M), 4.28.x (≤4.28.10M), 4.27.x (≤4.27.8M), 4.26.x (≤4.26.9M), 4.25.x (≤4.25.10...