CVE-2026-20318

Cisco · Published August 19, 2026

9.6

CVSS v3.1

CRITICAL

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20318 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.

Affected Products

CVSS Vector

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