CVE-2026-20318
Received Received - Intake

Improper Input Validation in Cisco Secure Workload

Publication date: 2026-08-19

Last updated on: 2026-08-19

Assigner: Cisco Systems, Inc.

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.

CVSS Scores

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Meta Information

Published
2026-08-19
Last Modified
2026-08-19
Generated
2026-08-19
AI Q&A
2026-08-19
EPSS Evaluated
N/A
NVD
CVE-2026-20318
EUVD
EUVD-2026-62568

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
cisco secure_workload *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 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.

Attack-Flow Graph

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Executive Summary

CVE-2026-20318 is a vulnerability in Cisco Secure Workload caused by improper input validation, classified under CWE-20. This flaw could allow attackers to manipulate input data, potentially leading to unauthorized actions or system compromise.

Impact Analysis

This vulnerability may allow attackers to execute unauthorized commands, modify data, or disrupt services if exploited. The high CVSS score (9.6) indicates significant risk, especially for systems with network access and low privileges.

Compliance Impact

The vulnerability involves improper input validation (CWE-20), which could allow unauthorized data modification or access. This may impact compliance with GDPR (data integrity and security requirements) and HIPAA (protection of sensitive health data) if exploited.

Mitigation Strategies

Apply the software hardening release provided by Cisco Secure Workload to address improper input validation issues. Regularly update and patch systems to the latest versions.

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