Vulnerability · Published Aug 19, 2026 · Assigned by cisco
CVE-2026-20357Cisco Crosswork Security Hardening Release: August 2026
Critical 10.0
In plain English
A critical-severity missing authentication in Cisco Crosswork Planning from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Crosswork Planning | 7.0.27.1.07.0.07.0.47.0.17.0.37.2.07.1.1 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H