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.
History

Thu, 20 Aug 2026 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco secure Workload
Vendors & Products Cisco
Cisco secure Workload

Wed, 19 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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


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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-08-20T03:57:02.833Z

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

Link: CVE-2026-20231

cve-icon Vulnrichment

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

cve-icon NVD

Status : Received

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

Modified: 2026-08-20T04:16:48.250

Link: CVE-2026-20231

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-20T09:09:01Z