CVE-2026-20231 PUBLISHED

Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Neutralization of Special Elements Vulnerabilities

Assigner: cisco
Reserved: 08.10.2025 Published: 19.08.2026 Updated: 20.08.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.9

Product Status

Vendor Cisco
Product Cisco Secure Workload
Versions Default: unknown
  • 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

Exploits

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

References

Problem Types

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