PoC Index85,101 CVEs with PoCs

CVE-2026-20223

Cisco Secure Workload Unauthorized API Access Vulnerability

CRITICAL 10.0EPSS 0.8%

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. 

Affected
Cisco · Cisco Secure Workload
CVSS v3.1 NVD
10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS v3.1 CISCO
10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
0.83% chance of exploitation in the next 30 days, 57th percentile
Published
2026-05-20
Updated
2026-05-21

Proof-of-concept exploits (1)

Security advisories

References