CVE-2026-20188
Unknown
Description
Following the initial publication of the Security Advisory about a denial of service (DoS) condition in Cisco Crosswork Network Controller and Cisco Network Services Orchestrator (NSO), additional information has been made available to the Cisco Product Security Incident Response Team (PSIRT). Upon further analysis, the Cisco PSIRT has reclassified this issue as a customer-configurable, resource management issue rather than a security vulnerability.
SeverityUnknown
CVSS0.0
Exploit probability—
Product
Crosswork Network Controller
PublishedMay 6, 2026
First seenMay 6, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Crosswork Network Controller | No range specified | — |
| Cisco Network Services Orchestrator (NSO) | No range specified | — |
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