Vulnerability · 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
Published Feb 12, 2026 · catalog updated Mar 5, 2026 · ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server
Last checked Nov 8, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-26234. EPSS is 0.56%. Act only if a listed version of ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-26235 · High
- Severity
- High8.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.56%
- Remediation
- Vendor / distro source
- Affected products
- vendor ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server 1.0.832
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server 1.0.8321.0.832
How to fix CVE-2026-26234
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 1.0.832
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-26234. EPSS is 0.56%. Act only if a listed version of ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server is installed.
Which versions are affected?
Compare what you have installed with ALBRECHT JUNG GMBH & CO. KG JUNG Smart Visu Server 1.0.832 1.0.832. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.56%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Feb 12, 2026 · EUVD
Detected
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.
Mar 5, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-26234
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-26234
30-day exploitation probability 0.56%
first.org - EUVDVulnerability recordEUVD-2026-7028
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 response
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 8, 2026
- CVE.orgNov 4, 2026
- EUVDNov 2, 2026