Vulnerability · Published Aug 19, 2026 · Assigned by cisco

CVE-2026-20318Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Input Validation Vulnerabilities

Critical 9.6

In plain English

A critical-severity improper input validation in Cisco Secure Workload from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.4%top 61.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
Cisco Cisco Secure Workload 2.2.1.413.2.1.183.3.2.503.4.1.283.4.1.342.3.1.452.3.1.413.3.2.28

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

References