CVE-2026-11841

Published Jul 28, 2026

Last updated a month ago

CVSS critical 9.4
sca

Overview

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.
Source
psirt@sick.de
NVD status
Deferred

Risk scores

CVSS 3.1

Type
Secondary
Base score
9.4
Impact score
5.5
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Severity
CRITICAL

Weaknesses

psirt@sick.de
CWE-552

Social media

Hype score
Not currently trending

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References

Sources include official advisories and independent security research.