CVE-2026-20223— Cisco Secure Workload Unauthorized API Access Vulnerability
In-the-Wild Activity Observed github_trending · low
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 99
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Cisco | Cisco Secure Workload | 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 | ||
| … +91 more rows | |||
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I. Basic Information for CVE-2026-20223
Vulnerability Information
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Vulnerability Title
Cisco Secure Workload Unauthorized API Access Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Secure Workload 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Secure Workload是美国思科（Cisco）公司的一种允许用户在其应用程序工作负载上安装软件代理的软件。 Cisco Secure Workload存在访问控制错误漏洞，该漏洞源于内部REST API的访问验证不足，可能导致未经身份验证的远程攻击者以Site Admin角色权限访问站点资源。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Secure Workload | 2.2.1.41 | - |
II. Public POCs for CVE-2026-20223
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-20223 (1)
Same Patch Batch · Cisco · 2026-05-20 · 4 CVEs total
| CVE-2026-20171 | 6.8 MEDIUM | Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability |
| CVE-2026-20206 | 6.3 MEDIUM | Cisco ThousandEyes BrowserBot Command Injection Vulnerability |
| CVE-2026-20199 | 4.7 MEDIUM | Cisco ThousandEyes Virtual Appliance 注入漏洞 |
IV. Related Vulnerabilities
Same vendor: Cisco
- CVE-2026-20199
Cisco ThousandEyes Virtual Appliance 注入漏洞 - CVE-2026-20171
Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Den - CVE-2026-20206
Cisco ThousandEyes BrowserBot Command Injection Vulnerabilit - CVE-2026-20224
Cisco Catalyst SD-WAN Manager XML External Entity Injection - CVE-2026-20210
Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerabi
Same weakness: CWE-306
- CVE-2026-44895
GitLab MCP Server: SSE transport has no authentication and w - CVE-2026-47672
epa4all-client: Unauthenticated REST API for Patient Record - CVE-2026-44668
Faction: Unauthenticated Read, Modify, and Delete of Boilerp - CVE-2026-44775
Kavita: No authentication at /api/Reader/image - CVE-2026-9371
ItzCrazyKns Vane API route.ts missing authentication
V. Comments for CVE-2026-20223
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