CVE-2026-26234

HIGH
2026-02-12 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
PoC Detected
Feb 20, 2026 - 15:14 vuln.today
Public exploit code
CVE Published
Feb 12, 2026 - 04:15 nvd
HIGH 8.8

Tags

Code Injection Smart Visu Server Firmware

Description

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.

Analysis

Smart Visu Server Firmware contains a vulnerability that allows attackers to override request URLs by injecting arbitrary values in the X-Forwarded-Host head (CVSS 8.8).

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Remediation

Within 24 hours: Inventory all Smart Visu Server instances and their firmware versions; isolate or restrict network access to affected systems if possible. Within 7 days: Implement WAF rules to block or sanitize X-Forwarded-Host headers; deploy network segmentation to limit lateral movement from compromised servers. …

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: +20

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CVE-2026-26234 vulnerability details – vuln.today
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