Path traversal in Schneider Electric PowerChute™ Serial Shutdown
Priority LOW 32CWE-22Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00204 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | PowerChute™ Serial Shutdown | up to 1.4 | — | No fix listed | CNA |
- PowerChute™ Serial Shutdown VendorSchneider Electric Affected up to 1.4 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:powerchute_serial_shutdown:*:*:*:*:*:*:*:* | before 1.5 | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:powerchute_serial_shutdown:*:*:*:*:*:*:*:* Versions before 1.5 Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2399
- 2026-10-03 Alias added: GHSA-586j-jr5f-gx4j
References
More Schneider Electric Powerchute Serial Shutdown vulnerabilities
- TI-2026-02038 Improper output encoding in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0MEDIUM 6.9
- TI-2026-02036 Missing brute-force protection in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0MEDIUM 6.9
- TI-2026-02039 Uncontrolled resource consumption in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0MEDIUM 5.3
- TI-2026-02034 CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability exists… CVSS 4.0MEDIUM 5.3
- TI-2026-02037 CWE-1284 Improper Validation of Specified Quantity in Input vulnerability exists that… CVSS 4.0MEDIUM 5.3
- TI-2026-02035 Sensitive information in log files in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0LOW 2.4
Sources
- CVE-2026-2399 · CVE Program
- CVE-2026-2399 · NVD
- FIRST EPSS
- GHSA-586j-jr5f-gx4j · GitHub Advisory Database · CC BY 4.0
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