CVE-2026-11841
Critical · 9.4CVSS
9.4
EPSS
0.9%
Published
Jul 28, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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