An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.

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Advisories

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Fixes

Solution

InspectorP61x and InspectorP62x users are recommended to upgrade to version 5.4.0.


Workaround

Please make sure that only trusted entities have access to the device. Furthermore, you should apply the following General Security Measures when operating the product to mitigate the associated security risk. The collected resources ”SICK Operating Guidelines” and ”ICS-CERT recommended practices on Industrial Security” could help to implement the general security practices.

History

Tue, 28 Jul 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Sick Ag
Sick Ag inspectorp61x
Sick Ag inspectorp62x
Sick Ag inspectorp63x
Sick Ag inspectorp64x
Sick Ag inspectorp65x
Vendors & Products Sick Ag
Sick Ag inspectorp61x
Sick Ag inspectorp62x
Sick Ag inspectorp63x
Sick Ag inspectorp64x
Sick Ag inspectorp65x

Tue, 28 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 28 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Description An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.
Title CVE-2026-11841
Weaknesses CWE-552
References
Metrics cvssV3_1

{'score': 9.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SICK AG

Published:

Updated: 2026-07-28T19:15:14.851Z

Reserved: 2026-06-10T06:53:18.277Z

Link: CVE-2026-11841

cve-icon Vulnrichment

Updated: 2026-07-28T19:15:11.703Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-28T20:35:06Z

Weaknesses