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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

Arista NetworksCVE-2026-73461

On affected EOS platforms with AAA-based gRPC authorization enabled for...

Arista Networks

CVE-2026-73461 · Published Sep 16, 2026 · updated Sep 17, 2026

Critical9.4
Fix: upgrade to 4.30.0F or later (3 fixed versions below)
Arista Networks advisory

On affected EOS platforms with AAA-based gRPC authorization enabled for OpenConfig, gRPC requests of an authenticated user to OpenConfig may use the wrong privilege level, resulting in an authorization using the wrong AAA method list. This does not impact non-gRPC OpenConfig requests such as NETCONF.

Affected versions

PackageAffectedFixed in
EOS
Product
>= 4.29.0F, < 4.30.0F4.30.0F
>= 4.30.0F, < 4.31.0F4.31.0F
>= 4.31.0F, < 4.32.0F4.32.0F
>= 4.32.0F, <= 4.32.11MNo fix yet
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-266

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