Vulnerability · Published Apr 14, 2026 · Assigned by schneider
CVE-2026-2399
Medium 6.9
In plain English
A medium-severity path traversal in PowerChute™ Serial Shutdown from Schneider Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.2%top 89.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that could cause critical files overwritten with text data when a Web Admin user alters the POST /REST/upssleep request payload.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Schneider Electric | PowerChute™ Serial Shutdown | Versions 1.4 and prior |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N