A vulnerability labeled as critical has been found in Horner Automation Cscape, XL4 and XL7 PLC . Affected by this issue is some unknown functionality. Executing a manipulation can lead to weak password requirements. This vulnerability appears as CVE-2026-6284 . The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.
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✦ AI Summary· Claude Sonnet
VDB-358019 · CVE-2026-6284 · ICSA-26-106-02
HORNER AUTOMATION CSCAPE/XL4/XL7 PLC WEAK PASSWORD
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
3.6 $0-$5k 3.20+
Summaryinfo
A vulnerability marked as critical has been reported in Horner Automation Cscape, XL4 and XL7 PLC. This affects an unknown part. The manipulation leads to weak password. This vulnerability is traded as CVE-2026-6284. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.
Detailsinfo
A vulnerability was found in Horner Automation Cscape, XL4 and XL7 PLC (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a weak password vulnerability. Using CWE to declare the problem leads to CWE-521. The product does not require that users should have strong passwords, which makes it easier for attackers to compromise user accounts. Impacted is confidentiality.
It is possible to read the advisory at cisa.gov. The identification of this vulnerability is CVE-2026-6284. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.
Upgrading eliminates this vulnerability.
Productinfo
Type
Automation Software
Vendor
Horner Automation
Name
Cscape
XL4
XL7 PLC
CPE 2.3info
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CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3info
VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Weak password
CWE: CWE-521
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: Upgrade
Status: 🔍
0-Day Time: 🔒
Timelineinfo
04/17/2026 Advisory disclosed
04/17/2026 +0 days VulDB entry created
04/17/2026 +0 days VulDB entry last update
Sourcesinfo
Advisory: icsa-26-106-02
Status: Confirmed
CVE: CVE-2026-6284 (🔒)
GCVE (CVE): GCVE-0-2026-6284
GCVE (VulDB): GCVE-100-358019
Entryinfo
Created: 04/17/2026 06:55
Changes: 04/17/2026 06:55 (51)
Complete: 🔍
Cache ID: 99:E06:101
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