CVE-2026-2399

| EUVD-2026-22282 MEDIUM
2026-04-14 schneider GHSA-4v7v-7v7r-3r5h
Path Traversal Powerchute Serial Shutdown
6.9
CVSS 4.0
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CVSS VectorNVD

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Apr 14, 2026 - 17:04 vuln.today
CVSS Changed
Apr 14, 2026 - 16:22 NVD
6.9 (MEDIUM)

DescriptionNVD

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.

AnalysisAI

PowerChute Serial Shutdown allows authenticated administrative users to overwrite critical system files via path traversal in the POST /REST/upssleep endpoint when maliciously crafting request payloads, potentially causing complete system compromise or denial of service. The vulnerability requires high-privilege Web Admin credentials and adjacent network access, but results in total integrity and availability impact across the affected system. …

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CVE-2026-2399 vulnerability details – vuln.today
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