CVE-2026-2399
Path Traversal in Web Admin Allows Critical File Overwrite
Publication date: 2026-04-14
Last updated on: 2026-04-22
Assigner: Schneider Electric SE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| schneider-electric | powerchute_serial_shutdown | to 1.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Path Traversal issue (CWE-22) that occurs when a Web Admin user modifies the POST /REST/upssleep request payload. It allows improper limitation of a pathname to a restricted directory, which can lead to critical files being overwritten with text data.
How can this vulnerability impact me? :
The vulnerability can cause critical files on the system to be overwritten with text data. This could disrupt system functionality, cause data loss, or potentially allow an attacker with Web Admin privileges to manipulate important files, leading to system instability or compromise.