Cisco Crosswork Security Hardening Release: August 2026 (CVE-2026-20357) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-20357

Cisco Crosswork Security Hardening Release: August 2026

Answer in brief

CVE-2026-20357 records a Unknown severity 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.

Published Aug 19, 2026Updated Aug 19, 2026Source checked Aug 19, 2026First seen by HOL Aug 19, 2026Material review Aug 19, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. 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.

Affected scope and exposure questions

The current feed maps Cisco/Cisco Crosswork Planning (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
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

Recommended response

Check inventory. Check lockfiles and deployed manifests for Cisco/Cisco Crosswork Planning.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 19, 2026

Sources and claim methodology

Source referencesec.cloudapps.cisco.com

Upstream source description

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.