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. 

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00062.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cisco Cisco Secure Workload unknown
Version Status Constraints
2.2.1.41 affected —
3.2.1.18 affected —
3.3.2.50 affected —
3.4.1.28 affected —
3.4.1.34 affected —
2.3.1.45 affected —
2.3.1.41 affected —
3.3.2.28 affected —
3.1.1.59 affected —
2.0.2.20 affected —
2.1.1.33 affected —
2.1.1.29 affected —
3.2.1.28 affected —
3.4.1.35 affected —
3.1.1.65 affected —
3.1.1.67 affected —
2.0.1.34 affected —
2.3.1.49 affected —
2.2.1.39 affected —
3.4.1.19 affected —
3.3.2.23 affected —
3.1.1.61 affected —
3.1.1.54 affected —
3.5.1.17 affected —
3.3.2.33 affected —
3.5.1.1 affected —
2.3.1.53 affected —
3.5.1.20 affected —
3.5.1.30 affected —
3.3.2.16 affected —
3.1.1.55 affected —
3.4.1.6 affected —
2.3.1.50 affected —
2.3.1.52 affected —
3.2.1.19 affected —
2.2.1.35 affected —
3.1.1.53 affected —
3.1.1.70 affected —
3.2.1.20 affected —
3.5.1.2 affected —
1.103.1.12 affected —
2.3.1.51 affected —
3.3.2.42 affected —
3.4.1.1 affected —
3.3.2.12 affected —
2.1.1.31 affected —
3.5.1.23 affected —
3.3.2.53 affected —
3.4.1.14 affected —
3.3.2.2 affected —
3.4.1.20 affected —
3.3.2.35 affected —
2.2.1.34 affected —
1.102.21 affected —
3.3.2.5 affected —
3.5.1.31 affected —
3.6.1.5 affected —
3.2.1.31 affected —
3.5.1.37 affected —
3.4.1.40 affected —
3.6.1.17 affected —
3.6.1.21 affected —
3.2.1.32 affected —
3.2.1.33 affected —
3.6.1.35 affected —
3.6.1.36 affected —
3.7.1.5 affected —
3.6.1.47 affected —
3.7.1.22 affected —
3.6.1.52 affected —
3.7.1.39 affected —
3.8.1.1 affected —
3.7.1.51 affected —
3.8.1.19 affected —
3.8.1.36 affected —
3.7.1.59 affected —
3.8.1.39 affected —
3.9.1.1 affected —
3.9.1.10 affected —
3.9.1.24 affected —
3.9.1.25 affected —
3.9.1.28 affected —
3.9.1.38 affected —
3.8.1.53 affected —
3.9.1.52 affected —
3.10.1.1 affected —
3.9.1.64 affected —
3.10.2.11 affected —
3.9.1.66 affected —
3.10.3.19 affected —
3.9.1.69 affected —
3.10.4.8 affected —
3.10.5.6 affected —
4.0.1.1 affected —
4.0.2.4 affected —
4.0.2.5 affected —
3.10.6.3 affected —
3.10.7.4 affected —
4.0.3.13 affected —

No data.

No data.

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Vendors Products
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Project Subscriptions

Vendors Products
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Secure Workload Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csw-pnbsa-g8WEnuy cve-icon cve-icon
History

Thu, 21 May 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco secure Workload
Vendors & Products Cisco
Cisco secure Workload

Wed, 20 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 20 May 2026 16:45:00 +0000

Type Values Removed Values Added
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. 
Title Cisco Secure Workload Unauthorized API Access Vulnerability
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-05-21T03:55:37.210Z

Reserved: 2025-10-08T11:59:15.399Z

Link: CVE-2026-20223

cve-icon Vulnrichment

Updated: 2026-05-20T18:32:21.218Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-20T17:16:20.400

Modified: 2026-05-20T17:30:40.450

Link: CVE-2026-20223

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-21T08:15:06Z

Weaknesses