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CVE-2026-73445

Security Advisory 0167

CVSS 3.1 4.9 MEDIUMCVSS 4.0 6.9 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-73445

Published

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 company is not aware of any malicious uses of this issue in customer networks.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-73445

Published

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 company is not aware of any malicious uses of this issue in customer networks.

Source published
16 Sep 2026 08:58:51 UTC
Source modified
16 Sep 2026 17:35:56 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CVSS 4.0 · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

ChangeIntel

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Sources read 13 Nov 10:02 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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