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CVE-2026-19640

Security Advisory 0170 PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / productVersions
Arista Networks / EOSaffected 4.36.0F through 4.36.0.1F; affected 4.35.0F through 4.35.5M; affected 4.34.0F through 4.34.7M; affected 4.33.0F through 4.33.8M; affected 4.24.0F before 4.33.0F

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.