What is CVE-2026-26234?

CVE-2026-26234 is a high-severity vulnerability in Albrecht Jung Gmbh & Co. Kg Smart Visu Server, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 8.8/10. Published 2026-02-12.

How severe is CVE-2026-26234?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Albrecht Jung Gmbh & Co. Kg Smart Visu Server

CVE-2026-26234

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 prox…

EPSS: 0.000 (14.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Albrecht Jung Gmbh & Co. Kg Smart Visu Server — versions 1.1.1050, 1.0.905, 1.0.832

Weakness classification (CWE)

CWE-644 — Improper Neutralization of HTTP Headers for Scripting Syntax

References

Zero Science Lab Vulnerability Advisory (third-party-advisory)
VulnCheck Advisory: JUNG Smart Visu Server - Improper Neutralization of HTTP Headers for Scripting Syntax (third-party-advisory)

Frequently asked questions

What is CVE-2026-26234?: CVE-2026-26234 is a high-severity vulnerability in Albrecht Jung Gmbh & Co. Kg Smart Visu Server, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 8.8/10. Published 2026-02-12.
How severe is CVE-2026-26234?: High severity. CVSS v3 base score is 8.8 out of 10.