Answer in brief
CVE-2026-20319 records a High severity (CVSS 7.5) vulnerability in Cisco Secure Workload Software Security Hardening Release August 2026 - Buffer Management Vulnerabilities. The current sources do not mark it as known exploited. The current feed maps Cisco/Cisco Secure Workload (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco Secure Workload (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco Secure Workloadgeneric | 2.2.1.41 || 3.2.1.18 || 3.3.2.50 || 3.4.1.28 || 3.4.1.34 || 2.3.1.45 || 2.3.1.41 || 3.3.2.28 || 3.1.1.59 || 2.0.2.20 || 2.1.1.33 || 2.1.1.29 || 3.2.1.28 || 3.4.1.35 || 3.1.1.65 || 3.1.1.67 || 2.0.1.34 || 2.3.1.49 || 2.2.1.39 || 3.4.1.19 || 3.3.2.23 || 3.1.1.61 || 3.1.1.54 || 3.5.1.17 || 3.3.2.33 || 3.5.1.1 || 2.3.1.53 || 3.5.1.20 || 3.5.1.30 || 3.3.2.16 || 3.1.1.55 || 3.4.1.6 || 2.3.1.50 || 2.3.1.52 || 3.2.1.19 || 2.2.1.35 || 3.1.1.53 || 3.1.1.70 || 3.2.1.20 || 3.5.1.2 || 1.103.1.12 || 2.3.1.51 || 3.3.2.42 || 3.4.1.1 || 3.3.2.12 || 2.1.1.31 || 3.5.1.23 || 3.3.2.53 || 3.4.1.14 || 3.3.2.2 || 3.4.1.20 || 3.3.2.35 || 2.2.1.34 || 1.102.21 || 3.3.2.5 || 3.5.1.31 || 3.6.1.5 || 3.2.1.31 || 3.5.1.37 || 3.4.1.40 || 3.6.1.17 || 3.6.1.21 || 3.2.1.32 || 3.2.1.33 || 3.6.1.35 || 3.6.1.36 || 3.7.1.5 || 3.6.1.47 || 3.7.1.22 || 3.6.1.52 || 3.7.1.39 || 3.8.1.1 || 3.7.1.51 || 3.8.1.19 || 3.8.1.36 || 3.7.1.59 || 3.8.1.39 || 3.9.1.1 || 3.9.1.10 || 3.9.1.24 || 3.9.1.25 || 3.9.1.28 || 3.9.1.38 || 3.8.1.53 || 3.9.1.52 || 3.10.1.1 || 3.9.1.64 || 3.10.2.11 || 3.9.1.66 || 3.10.3.19 || 3.9.1.69 || 3.10.4.8 || 3.10.5.6 || 4.0.1.1 || 4.0.2.4 || 4.0.2.5 || 3.10.6.3 || 3.10.7.4 || 4.0.3.13 || 4.0.3.17 || 3.10.8.3 | Not reported |
Published upstream
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 19, 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-2026-20319 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.
Quoted source text, attributed separately from HOL analysis.