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.
Published: 2026-08-19
Score: 9.9 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Wed, 19 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Neutralization of Special Elements Vulnerabilities
Weaknesses CWE-74
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-08-19T18:31:50.763Z

Reserved: 2025-10-08T11:59:15.399Z

Link: CVE-2026-20231

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-19T17:18:39.227

Modified: 2026-08-19T17:18:39.227

Link: CVE-2026-20231

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-74

    Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')