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Vulnerability record · CVE-2026-26234 · published 12 February 2026

CVE-2026-26234: Jung-group smart visu server firmware vulnerability

Jung Group · Smart Visu Server Firmware

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.

8.7 CVSS 4.0 High EPSS 0.53% · top 57.3% CWE-644 · CWE-644
8.7CVSS 4.0 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-26235Jung-group smart visu server firmware missing authentication for critical function vulnerabilityJUNG Smart Visu Server 1.1.1050 contains a denial of service vulnerability that allows unauthenticated attackers to remotely shutdown or reboot the s…EPSS 2.0%7.8CVE-2017-20083Jung-group smart visu server firmware vulnerabilityA vulnerability, which was classified as critical, was found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832. Affected is an unknown function of th…EPSS 0.38%7.8CVE-2017-20084Jung-group smart visu server firmware vulnerabilityA vulnerability has been found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832 and classified as critical. Affected by this vulnerability is an unk…EPSS 0.35%5.5CVE-2017-20082Jung-group smart visu server firmware vulnerabilityA vulnerability, which was classified as problematic, has been found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832. This issue affects some unkno…EPSS 0.37%

Source: NIST National Vulnerability Database (record CVE-2026-26234), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.