Security Advisory

CVE-2026-20303

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-05 16:29:52

Last updated 2026-08-06 03:55:33

Assigner cisco

CVSS score not scored

State PUBLISHED

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20303 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.

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