CVE-2026-1692— Missing origin validation in GraphicalData web service requests
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I. Basic Information for CVE-2026-1692
Vulnerability Information
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Vulnerability Title
Missing origin validation in GraphicalData web service requests
Source: NVD (National Vulnerability Database)
Vulnerability Description
A missing origin validation in WebSockets vulnerability affects the GraphicalData web services used by the WebVue, WebScheduler, TouchVue and SnapVue features of PcVue in version 12.0.0 through 16.3.3 included. It might allow a remote attacker to lure a successfully authenticated user to a malicious website. This vulnerability only affects the following two endpoints: GraphicalData/js/signalR/connect and GraphicalData/js/signalR/reconnect.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1385
Source: NVD (National Vulnerability Database)
Vulnerability Title
PcVue 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PcVue是PcVue公司的一个可靠、安全、强大的运营软件平台，专用于监测和控制建筑和园区管理等市场中的应用。 PcVue 12.0.0版本至16.3.3版本存在安全漏洞，该漏洞源于WebSocket缺少来源验证，可能导致攻击者诱骗已验证用户访问恶意网站。
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
II. Public POCs for CVE-2026-1692
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Same Patch Batch · arcinfo · 2026-02-26 · 7 CVEs total
| CVE-2026-1698 | HTTP Host header vulnerability in WebClient and WebScheduler web apps | |
| CVE-2026-1693 | Use of vulnerable Resource Owner Password Credentials flow | |
| CVE-2026-1696 | Missing security HTTP headers | |
| CVE-2026-1695 | XSS vulnerability upon unsuccessful authentication | |
| CVE-2026-1697 | Use of unsecure cookies for GraphicalData web service and WebClient web app | |
| CVE-2026-1694 | Server configuration details in HTTP headers |
IV. Related Vulnerabilities
Same product: PcVue
- CVE-2026-1698
HTTP Host header vulnerability in WebClient and WebScheduler - CVE-2026-1697
Use of unsecure cookies for GraphicalData web service and We - CVE-2026-1696
Missing security HTTP headers - CVE-2026-1695
XSS vulnerability upon unsuccessful authentication - CVE-2026-1694
Server configuration details in HTTP headers
Same vendor: arcinfo
- CVE-2026-1698
HTTP Host header vulnerability in WebClient and WebScheduler - CVE-2026-1697
Use of unsecure cookies for GraphicalData web service and We - CVE-2026-1696
Missing security HTTP headers - CVE-2026-1695
XSS vulnerability upon unsuccessful authentication - CVE-2026-1694
Server configuration details in HTTP headers
Same weakness: CWE-1385
- CVE-2026-34403
Nginx-UI vulnerable to Cross-Site WebSocket Hijacking (CSWSH - CVE-2026-35589
nanobot: Cross-Site WebSocket Hijacking in WhatsApp Bridge ( - CVE-2026-27977
Next.js: null origin can bypass dev HMR websocket CSRF check - CVE-2025-68930
Traccar Missing Origin Validation in WebSockets - CVE-2026-22689
Mailpit is vulnerable to Cross-Site WebSocket Hijacking (CSW
V. Comments for CVE-2026-1692
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