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.

No EPSS score available.

Key SSVC decision points have not yet been added.

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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No data.

Project Subscriptions

No data.

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

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: 2026-05-20T16:06:30.740Z

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

Link: CVE-2026-20223

cve-icon Vulnrichment

No data.

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: 2026-05-20T17:30:35Z

Weaknesses