CVE-2026-20231
Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Neutralization of Special Elements Vulnerabilities
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-2026-20231 are related to improper neutralization of special elements issues that are grouped under the Common Weakness Enumeration (CWE) CWE-74.
Weakness: CWE-74
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Secure Workload (Tetration) | Cloud Security | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Secure Workload
Vendor advisory
cisco-sa-hardening-csw1-shSvndWP
Cisco Secure Workload Software Security Hardening Release: August 2026
Cisco’s rating: Critical (advisory CVSS 10.0) · Published Aug 19, 2026
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from