Answer in brief
CVE-2026-20357 records a Critical severity (CVSS 10.0) vulnerability in Cisco Crosswork Security Hardening Release: August 2026. The current sources do not mark it as known exploited. The current feed maps Cisco/Cisco Crosswork Planning (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 10.0. 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 Crosswork Planning (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco Crosswork Planninggeneric | 7.0.2 || 7.1.0 || 7.0.0 || 7.0.4 || 7.0.1 || 7.0.3 || 7.2.0 || 7.1.1 || 7.1.2 | Not reported |
Published upstream
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 21, 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 Crosswork 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-2026-20357 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.
Quoted source text, attributed separately from HOL analysis.