CVE-2026-26234

Name: CVE-2026-26234
Creator: NVD / NIST
Published: 2026-02-12T04:15:47.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2026-26234 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 4.0

8.7/10

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:X/V:X/RE:X/U:X

EPSS Probability

0.50%

38.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-644

Affected Software

Vendor	Product	Versions
Jung-Group	Smart Visu Server Firmware	>= 1.0.830, <= 1.1.1050

References

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

Timeline

Published: Feb 12, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-26234?

How severe is CVE-2026-26234?

CVE-2026-26234 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2026-26234?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26234?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST