CVE-2026-20223: Cisco Secure Workload Unauthorized API Access Vulnerability

Published May 20, 2026
·
Updated

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 Software

1 affected component
Cisco Secure Workload

Event History

May 20, 2026
CVE Published
via MITRE·04:06 PM
Data Sourced
via MITRE·04:06 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeakness
May 21, 2026
News Published
via BleepingComputer·01:58 PM
News Published
via BleepingComputer·02:00 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-20223?

CVE-2026-20223 is considered a critical severity vulnerability due to the potential for unauthorized access to sensitive site resources.

2

How do I fix CVE-2026-20223?

To fix CVE-2026-20223, apply the latest security patches provided by Cisco for Cisco Secure Workload.

3

What components are affected by CVE-2026-20223?

CVE-2026-20223 affects the internal REST APIs of Cisco Secure Workload.

4

Who can exploit CVE-2026-20223?

An unauthenticated remote attacker can exploit CVE-2026-20223 to gain unauthorized access to site resources.

5

What are the potential impacts of CVE-2026-20223?

The potential impacts of CVE-2026-20223 include unauthorized access to sensitive information and operational disruption.

Contact

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