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CVE-2026-1694— Server configuration details in HTTP headers

Quick assessment

Affected
arcinfo PcVue
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于默认配置添加的HTTP标头在部署阶段未被移除，可能泄露服务器配置的敏感信息。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1592 · Gather Victim Host Information
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I. Basic Information for CVE-2026-1694

Vulnerability Information
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Vulnerability Title
Server configuration details in HTTP headers
Source: CVE Program / CVE List V5
Vulnerability Description
HTTP headers are added by the default configuration of IIS and ASP.net, and are not removed at the deployment phase of the webservices used by the WebVue, WebScheduler, TouchVue and SnapVue features of PcVue in version 12.0.0 through 16.3.3 included. It unnecessarily exposes sensitive information about the server configuration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/R:U/RE:M/U:Clear
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
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，该漏洞源于默认配置添加的HTTP标头在部署阶段未被移除，可能泄露服务器配置的敏感信息。
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
arcinfo PcVue 16.0.0 ~ 16.3.3 -

II. Public POCs for CVE-2026-1694

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III. Intelligence Information for CVE-2026-1694

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Vendor Advisories for CVE-2026-1694 (1)

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-2026-1692 Missing origin validation in GraphicalData web service requests
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

IV. Related Vulnerabilities

Same product: PcVue
Same vendor: arcinfo
Same weakness: CWE-201

V. Comments for CVE-2026-1694

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