GCVE-110-NCSC-2026-149

Advisory PublishedCVSS 7.5/10

Vulnetix · Advisory published May 13, 2026

A vulnerability in Cisco Crosswork Network Controller and Cisco Network Services Orchestrator allows unauthenticated remote attackers to cause denial of service by overwhelming the system with connection requests, requiring manual reboot.

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Risk Scores

CVSS 3.1

7.5/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions	Platforms
Cisco	vers:unknown/*	—	—

Aliases

CVE-2026-20188

References

advisory

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