CVE-2026-1698— HTTP Host header vulnerability in WebClient and WebScheduler web apps
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I. Basic Information for CVE-2026-1698
Vulnerability Information
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Vulnerability Title
HTTP Host header vulnerability in WebClient and WebScheduler web apps
Source: NVD (National Vulnerability Database)
Vulnerability Description
A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior. This vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout of the WebClient and WebScheduler web apps.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对HTTP头部进行脚本语法转义处理不恰当
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 15.0.0版本至16.3.3版本存在安全漏洞，该漏洞源于HTTP Host标头攻击，可能允许远程攻击者注入有害有效载荷以操纵服务器端行为。
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-2026-1698
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Same Patch Batch · arcinfo · 2026-02-26 · 7 CVEs total
| 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 | |
| CVE-2026-1694 | Server configuration details in HTTP headers |
IV. Related Vulnerabilities
Same product: PcVue
- 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 - CVE-2026-1693
Use of vulnerable Resource Owner Password Credentials flow
Same vendor: arcinfo
- 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 - CVE-2026-1693
Use of vulnerable Resource Owner Password Credentials flow
Same weakness: CWE-644
- CVE-2026-33805
@fastify/reply-from vulnerable to connection header abuse en - CVE-2025-66485
Multiple vulnerabilities have been addressed in IBM Aspera S - CVE-2026-33149
Tandoor Recipes Vulnerable to Host Header Injection - CVE-2025-14807
IBM InfoSphere Information Server is vulnerable to HTTP head - CVE-2025-13213
Multiple vulnerabilities in IBM Aspera Orchestrator
V. Comments for CVE-2026-1698
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