CVE-2026-6284Horner Automation Cscape and XL4, XL7 PLC Weak password requirements
Updated under an hour ago ()
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It affects Horner Automation Cscape and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible.
- CVSS
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-521
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- icscert
- NVD analysis
- Awaiting Analysis
- Record last updated
- Apr 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Horner Automation Cscape horner_automation:cscape (from the name) | 10.0 | CNA record |
Horner Automation XL7 PLC horner_automation:xl7_plc (from the name) | 15.60 | CNA record |
Horner Automation XL4 PLC horner_automation:xl4_plc (from the name) | 16.32.0 | CNA record |
References
- https://hornerautomation.com/cscape-software-free/cscape-software/
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-02
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-02.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.