CVE-2026-20357
Cisco Crosswork Security Hardening Release: August 2026
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.
Weakness: CWE-306
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Crosswork | Network & Security Management | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Crosswork Planning
Vendor advisory
cisco-sa-hardening-crosswork-UzDTU9Vh
Cisco Crosswork Security Hardening Release: August 2026
Cisco’s rating: Critical (advisory CVSS 10.0) · Published Aug 19, 2026 · updated Aug 21, 2026 (revision 2.0)
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from