Cisco Patches CVSS 10.0 Secure Workload REST API Flaw Enabling Data Access

Friday, May 22, 2026 at 05:36 AM UTC·Source: The Hacker News

Updated: Friday, May 22, 2026 at 06:00 AM UTC

Executive Summary

Cisco has rolled out updates for a maximum-severity security flaw impacting Secure Workload that could allow an unauthenticated, remote attacker to access sensitive data. Tracked as CVE-2026-20223 (CVSS score: 10.0), the vulnerability arises from insufficient validation and authentication when accessing REST API endpoints. "An attacker could exploit this vulnerability if they are able to send

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-20223

NVD MITRE CVE

Source Attribution

Originally published by The Hacker News on May 22, 2026.

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