CVE-2026-20223
Cisco Secure Workload Unauthorized API Access Vulnerability
Severity
Critical 10
CVSS 3.1
Exploited
Not listed
EPSS
0.008
54.2th percentile
Discovered by
Vendor
Published by the vendor
Published
May 20, 2026
Assigned by cisco
Description
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.
Weakness: CWE-306
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Secure Workload (Tetration) | Cloud Security | cna-assigner |
Vendor-reported affected versions (1)
- Cisco · Cisco Secure Workload