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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-12 · updated 2026-06-17
Weakness: CWE-644

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.

Affected products

JUNG Smart Visu Server: from 1.0.830 through 1.1.1050

References

https://www.vulncheck.com/advisories/jung-smart-visu-server-improper-neutralization-of-http-headers-for-scripting-syntax
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5970.php
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5970.php

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