CVE-2026-20231
Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Neutralization of Special Elements Vulnerabilities
Severity
Critical 9.9
CVSS 3.1
Exploited
Not listed
EPSS
0.004
34.7th percentile
Discovered by
Vendor
Vendor-published field
Published
Aug 19, 2026
Assigned by cisco
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