CVE-2026-73445

On affected platforms running Arista EOS, an issue with the gRPC Network Security Interface gNSI Authz Rotate RPC may cause an incorrect Authz policy which was uploaded in the ongoing RPC stream to become active. This does not affect Bootz. This issue was discovered internally by Arista and the...

EUVD-2026-80317

On affected platforms running Arista EOS, an issue with the gRPC Network Security Interface gNSI Authz Rotate RPC may cause an incorrect Authz policy which was uploaded in the ongoing RPC stream to become active. This does not affect Bootz. This issue was discovered internally by Arista and the...

CVE-2026-73445 Security Advisory 0167

On affected platforms running Arista EOS, an issue with the gRPC Network Security Interface gNSI Authz Rotate RPC may cause an incorrect Authz policy which was uploaded in the ongoing RPC stream to become active. This does not affect Bootz. This issue was discovered internally by Arista and the...

CVE-2026-73445

Arista EOS is affected by a vulnerability in the gNSI (gRPC Network Security Interface) Authz Rotate RPC component, classified as CWE-20 (Improper Input Validation) . The bug may cause an incorrect Authz policy uploaded within an ongoing RPC stream to become the active policy, resulting in a poli...

Security Advisory 0167

Security Advisory 0167 PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release The CVE-ID tracking this issue: CVE-2026-73445 CVSSv3.1 Base Score: 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N CVSSv4.0 Base Score: 6.9...