CVE-2026-26234
Unauthenticated X-Forwarded-Host header abuse enables URL override and phishing.
Is CVE-2026-26234 being exploited?
Not confirmed. CVE-2026-26234 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.52% probability of exploitation in the next 30 days.
How severe is CVE-2026-26234?
CVE-2026-26234 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-26234?
Not known from our data. No patch reference has been recorded for CVE-2026-26234, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-26234 affect?
CVE-2026-26234 affects JUNG Smart Visu Server 1.1.1050. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26234?
Limit exposure; patch when available; restrict access to server.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Cache poisoning and phishing via unauthenticated X-Forwarded-Host header manipulation, enabling redirection to malicious domains.
Monitor only
- affected1.1.1050
- affected1.0.905
- affected1.0.832
- affected1.0.830
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.