Improper Input Validation in Cisco Secure Workload
CVE-2026-20318 Published on August 19, 2026
Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Input Validation Vulnerabilities
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.
Vulnerability Analysis
CVE-2026-20318 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected Versions
Cisco Secure Workload:- Version 2.2.1.41 is affected.
- Version 3.2.1.18 is affected.
- Version 3.3.2.50 is affected.
- Version 3.4.1.28 is affected.
- Version 3.4.1.34 is affected.
- Version 2.3.1.45 is affected.
- Version 2.3.1.41 is affected.
- Version 3.3.2.28 is affected.
- Version 3.1.1.59 is affected.
- Version 2.0.2.20 is affected.
- Version 2.1.1.33 is affected.
- Version 2.1.1.29 is affected.
- Version 3.2.1.28 is affected.
- Version 3.4.1.35 is affected.
- Version 3.1.1.65 is affected.
- Version 3.1.1.67 is affected.
- Version 2.0.1.34 is affected.
- Version 2.3.1.49 is affected.
- Version 2.2.1.39 is affected.
- Version 3.4.1.19 is affected.
- Version 3.3.2.23 is affected.
- Version 3.1.1.61 is affected.
- Version 3.1.1.54 is affected.
- Version 3.5.1.17 is affected.
- Version 3.3.2.33 is affected.
- Version 3.5.1.1 is affected.
- Version 2.3.1.53 is affected.
- Version 3.5.1.20 is affected.
- Version 3.5.1.30 is affected.
- Version 3.3.2.16 is affected.
- Version 3.1.1.55 is affected.
- Version 3.4.1.6 is affected.
- Version 2.3.1.50 is affected.
- Version 2.3.1.52 is affected.
- Version 3.2.1.19 is affected.
- Version 2.2.1.35 is affected.
- Version 3.1.1.53 is affected.
- Version 3.1.1.70 is affected.
- Version 3.2.1.20 is affected.
- Version 3.5.1.2 is affected.
- Version 1.103.1.12 is affected.
- Version 2.3.1.51 is affected.
- Version 3.3.2.42 is affected.
- Version 3.4.1.1 is affected.
- Version 3.3.2.12 is affected.
- Version 2.1.1.31 is affected.
- Version 3.5.1.23 is affected.
- Version 3.3.2.53 is affected.
- Version 3.4.1.14 is affected.
- Version 3.3.2.2 is affected.
- Version 3.4.1.20 is affected.
- Version 3.3.2.35 is affected.
- Version 2.2.1.34 is affected.
- Version 1.102.21 is affected.
- Version 3.3.2.5 is affected.
- Version 3.5.1.31 is affected.
- Version 3.6.1.5 is affected.
- Version 3.2.1.31 is affected.
- Version 3.5.1.37 is affected.
- Version 3.4.1.40 is affected.
- Version 3.6.1.17 is affected.
- Version 3.6.1.21 is affected.
- Version 3.2.1.32 is affected.
- Version 3.2.1.33 is affected.
- Version 3.6.1.35 is affected.
- Version 3.6.1.36 is affected.
- Version 3.7.1.5 is affected.
- Version 3.6.1.47 is affected.
- Version 3.7.1.22 is affected.
- Version 3.6.1.52 is affected.
- Version 3.7.1.39 is affected.
- Version 3.8.1.1 is affected.
- Version 3.7.1.51 is affected.
- Version 3.8.1.19 is affected.
- Version 3.8.1.36 is affected.
- Version 3.7.1.59 is affected.
- Version 3.8.1.39 is affected.
- Version 3.9.1.1 is affected.
- Version 3.9.1.10 is affected.
- Version 3.9.1.24 is affected.
- Version 3.9.1.25 is affected.
- Version 3.9.1.28 is affected.
- Version 3.9.1.38 is affected.
- Version 3.8.1.53 is affected.
- Version 3.9.1.52 is affected.
- Version 3.10.1.1 is affected.
- Version 3.9.1.64 is affected.
- Version 3.10.2.11 is affected.
- Version 3.9.1.66 is affected.
- Version 3.10.3.19 is affected.
- Version 3.9.1.69 is affected.
- Version 3.10.4.8 is affected.
- Version 3.10.5.6 is affected.
- Version 4.0.1.1 is affected.
- Version 4.0.2.4 is affected.
- Version 4.0.2.5 is affected.
- Version 3.10.6.3 is affected.
- Version 3.10.7.4 is affected.
- Version 4.0.3.13 is affected.
- Version 4.0.3.17 is affected.
- Version 3.10.8.3 is affected.