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 proxied requests to generate tainted responses, enabling cache poisoning, potential phishing, and redirecting users to malicious domains.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (48.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Albrecht Jung Gmbh & Co. Kg Smart Visu Server — versions 1.1.1050, 1.0.905, 1.0.832
- Jung-Group Smart Visu Server
- Jung-Group Smart Visu Server Firmware
Weakness classification (CWE)
References
- www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5970.php (Exploit, Third Party Advisory, third-party-advisory)
- www.vulncheck.com/advisories/jung-smart-visu-server-improper-neutralization-of-… (Third Party Advisory, 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.