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High [CVE-2026-20188] Cisco Crosswork Network Controller and Cisco Network Services Orchestrator Advisory

This high-severity Cisco advisory covers CVE-2026-20188.

cisco-sa-nso-dos-7Egqyc Published May 14, 2026Updated by vendor May 14, 2026
Affected products & platforms
CiscoUnclassified
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Summary

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.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · medium-confidence parse· fetched 9 days ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 9 days ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 9 days ago·verify at source

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