Vulnerability Intelligence Report
Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Neutralization of Special Elements Vulnerabilities
CVE-2026-20231
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.
No Active Exploit Signals
CVSS Base Score
9.9
CRITICAL
Exploitability:3.2
Impact Score:6.1
EPSS Probability:0.41%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-74 ↗Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Cisco | Cisco Secure Workload | 2.2.1.41 (affected), 3.2.1.18 (affected), 3.3.2.50 (affected), 3.4.1.28 (affected), 3.4.1.34 (affected), 2.3.1.45 (affected), 2.3.1.41 (affected), 3.3.2.28 (affected), 3.1.1.59 (affected), 2.0.2.20 (affected), 2.1.1.33 (affected), 2.1.1.29 (affected), 3.2.1.28 (affected), 3.4.1.35 (affected), 3.1.1.65 (affected), 3.1.1.67 (affected), 2.0.1.34 (affected), 2.3.1.49 (affected), 2.2.1.39 (affected), 3.4.1.19 (affected), 3.3.2.23 (affected), 3.1.1.61 (affected), 3.1.1.54 (affected), 3.5.1.17 (affected), 3.3.2.33 (affected), 3.5.1.1 (affected), 2.3.1.53 (affected), 3.5.1.20 (affected), 3.5.1.30 (affected), 3.3.2.16 (affected), 3.1.1.55 (affected), 3.4.1.6 (affected), 2.3.1.50 (affected), 2.3.1.52 (affected), 3.2.1.19 (affected), 2.2.1.35 (affected), 3.1.1.53 (affected), 3.1.1.70 (affected), 3.2.1.20 (affected), 3.5.1.2 (affected), 1.103.1.12 (affected), 2.3.1.51 (affected), 3.3.2.42 (affected), 3.4.1.1 (affected), 3.3.2.12 (affected), 2.1.1.31 (affected), 3.5.1.23 (affected), 3.3.2.53 (affected), 3.4.1.14 (affected), 3.3.2.2 (affected), 3.4.1.20 (affected), 3.3.2.35 (affected), 2.2.1.34 (affected), 1.102.21 (affected), 3.3.2.5 (affected), 3.5.1.31 (affected), 3.6.1.5 (affected), 3.2.1.31 (affected), 3.5.1.37 (affected), 3.4.1.40 (affected), 3.6.1.17 (affected), 3.6.1.21 (affected), 3.2.1.32 (affected), 3.2.1.33 (affected), 3.6.1.35 (affected), 3.6.1.36 (affected), 3.7.1.5 (affected), 3.6.1.47 (affected), 3.7.1.22 (affected), 3.6.1.52 (affected), 3.7.1.39 (affected), 3.8.1.1 (affected), 3.7.1.51 (affected), 3.8.1.19 (affected), 3.8.1.36 (affected), 3.7.1.59 (affected), 3.8.1.39 (affected), 3.9.1.1 (affected), 3.9.1.10 (affected), 3.9.1.24 (affected), 3.9.1.25 (affected), 3.9.1.28 (affected), 3.9.1.38 (affected), 3.8.1.53 (affected), 3.9.1.52 (affected), 3.10.1.1 (affected), 3.9.1.64 (affected), 3.10.2.11 (affected), 3.9.1.66 (affected), 3.10.3.19 (affected), 3.9.1.69 (affected), 3.10.4.8 (affected), 3.10.5.6 (affected), 4.0.1.1 (affected), 4.0.2.4 (affected), 4.0.2.5 (affected), 3.10.6.3 (affected), 3.10.7.4 (affected), 4.0.3.13 (affected), 4.0.3.17 (affected), 3.10.8.3 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.413%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Cisco Systems, Inc. · Hosted Service · USA |
| Reserved | 2025-10-08T11:59:15 |
| Published | 2026-08-19T16:16:58 |
| Last Updated | 2026-08-20T18:28:00 |
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