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Vulnerability

CVE-2026-20223

Reference data from vuln.mlab.sh, coverage from our own index.

CVSS
10.0 Critical
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Risk score
80.0
Published
2026-05-20
Status
Analyzed

A vulnerability in the access validation of internal REST APIs of Cisco Secure Workload could allow an unauthenticated, remote attacker to access site resources with the privileges of the Site Admin role. This vulnerability is due to insufficient validation and authentication when accessing REST API endpoints. An attacker could exploit this vulnerability if they are able to send a crafted API request to an affected endpoint. A successful exploit could allow the attacker to read sensitive information and make configuration changes across tenant boundaries with the privileges of the Site Admin user. 

Weaknesses

CWE-306

Coverage 4

vulnerability

Cisco Patches Critical Vulnerability in Secure Workload

Insufficient validation and authentication in the Secure Workload’s REST APIs provide remote attackers with Site Admin privileges. The post Cisco Patches Critical Vulnerability in Secure Workload appeared first on Securi…

SecurityWeek · May 21, 2026 Critical

Advisories and references