Albrecht Jung Smart Visu Server 1.0.830/1.0.832/1.0.905/1.1.1050 Request Header X-Forwarded-Host http headers for scripting syntax

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Albrecht Jung Smart Visu Server 1.0.830/1.0.832/1.0.905/1.1.1050. This affects an unknown part of the component Request Header Handler. Executing a manipulation of the argument X-Forwarded-Host can lead to improper neutralization of http headers for scripting syntax. This vulnerability appears as CVE-2026-26234. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Albrecht Jung Smart Visu Server 1.0.830/1.0.832/1.0.905/1.1.1050. It has been declared as critical. This vulnerability affects an unknown function of the component Request Header Handler. The manipulation of the argument X-Forwarded-Host with an unknown input leads to a improper neutralization of http headers for scripting syntax vulnerability. The CWE definition for the vulnerability is CWE-644. The product does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented by Gjoko Krstic as ZSL-2026-5970. The advisory is shared for download at zeroscience.mk. This vulnerability was named CVE-2026-26234 since 02/12/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/20/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202602-2155). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper neutralization of http headers for scripting syntax
CWE: CWE-644
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/12/2026 Advisory disclosed
02/12/2026 +0 days CVE reserved
02/12/2026 +0 days VulDB entry created
02/20/2026 +8 days VulDB entry last update

Sourcesinfo

Advisory: ZSL-2026-5970
Researcher: Gjoko Krstic
Status: Not defined

CVE: CVE-2026-26234 (🔒)
GCVE (CVE): GCVE-0-2026-26234
GCVE (VulDB): GCVE-100-345688
CNNVD: CNNVD-202602-2155 - JUNG Smart Visu Server 安全漏洞

Entryinfo

Created: 02/12/2026 06:33
Updated: 02/20/2026 16:29
Changes: 02/12/2026 06:33 (76), 02/13/2026 15:54 (7), 02/20/2026 16:29 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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