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CVE-2026-26234— JUNG Smart Visu Server - Improper Neutralization of HTTP Headers for Scripting Syntax

Quick assessment

Affected
ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server
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.

JUNG Smart Visu Server是JUNG公司的一款智能 Visu 服务器。 JUNG Smart Visu Server 1.1.1050版本存在安全漏洞，该漏洞源于请求标头操作漏洞，允许未经身份验证的攻击者通过注入任意值覆盖请求URL，可能导致缓存投毒、钓鱼和将用户重定向到恶意域。

CVSS 8.8 · High EPSS 0.61% · P48
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I. Basic Information for CVE-2026-26234

Vulnerability Information
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Vulnerability Title
JUNG Smart Visu Server - Improper Neutralization of HTTP Headers for Scripting Syntax
Source: CVE Program / CVE List V5
Vulnerability Description
JUNG Smart Visu Server 1.1.1050 contains a request header manipulation vulnerability that allows unauthenticated attackers to override request URLs by injecting arbitrary values in the X-Forwarded-Host header. Attackers can manipulate proxied requests to generate tainted responses, enabling cache poisoning, potential phishing, and redirecting users to malicious domains.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对HTTP头部进行脚本语法转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
JUNG Smart Visu Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JUNG Smart Visu Server是JUNG公司的一款智能 Visu 服务器。 JUNG Smart Visu Server 1.1.1050版本存在安全漏洞，该漏洞源于请求标头操作漏洞，允许未经身份验证的攻击者通过注入任意值覆盖请求URL，可能导致缓存投毒、钓鱼和将用户重定向到恶意域。
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
ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server 1.1.1050 -

II. Public POCs for CVE-2026-26234

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III. Intelligence Information for CVE-2026-26234

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Proof of Concept for CVE-2026-26234 (1)

IV. Related Vulnerabilities

Same product: JUNG Smart Visu Server
Same vendor: ALBRECHT JUNG GMBH & CO. KG
Same weakness: CWE-644

V. Comments for CVE-2026-26234

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