CVE-2026-26234: JUNG Smart Visu Server 1.1.1050 contains a request header manipulation vulnerability that allows unauthenticat

Q: How do I fix CVE-2026-26234?

smart visu server firmware: upgrade to newer than 1.1.1050. Exact commands for each OS are on this page.

Q: Is CVE-2026-26234 being exploited?

CVE-2026-26234 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-26234 affect?

CVE-2026-26234 affects smart visu server firmware. Severity is high (CVSS 8.8). 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 proxi

Q: How urgent is CVE-2026-26234?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2026-26234 is a high-severity flaw (CVSS 8.8) affecting smart visu server firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-644
Published	2026-02-12
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: jung-group

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-12 04:15 UTCPublished CVE record published
2026-06-17 10:25 UTCUpdated Record last modified

jung-group smart visu server firmware UPGRADE

Affected: >= 1.0.830 and <= 1.1.1050

Fixed in: newer than 1.1.1050

Safe to downgrade to: a release before 1.0.830

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-26234?

smart visu server firmware: upgrade to newer than 1.1.1050. Exact commands for each OS are on this page.

Is CVE-2026-26234 being exploited?

CVE-2026-26234 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-26234 affect?

CVE-2026-26234 affects smart visu server firmware. Severity is high (CVSS 8.8). 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 proxi

How urgent is CVE-2026-26234?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2026-26235 HIGH 7.5 UPGRADE JUNG Smart Visu Server 1.1.1050 contains a denial of service vulnerability that allows unauthenticated attacke

References

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