What is CVE-2026-2405?

CVE-2026-2405 is a medium-severity vulnerability in Schneider Electric Powerchute™ Serial Shutdown, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-04-14.

How severe is CVE-2026-2405?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Schneider Electric Powerchute™ Serial Shutdown

CVE-2026-2405

CWE-400 Uncontrolled Resource Consumption vulnerability exists that could cause excessive troubleshooting zip file creation and denial of service when a Web Admin user floods the system with POST /helpabout requests.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.002 (15.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Schneider Electric Powerchute™ Serial Shutdown — versions Versions 1.4 and prior
Schneider-electric Powerchute_serial_shutdown

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cybersecurity@se.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-2405?: CVE-2026-2405 is a medium-severity vulnerability in Schneider Electric Powerchute™ Serial Shutdown, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-04-14.
How severe is CVE-2026-2405?: Medium severity. CVSS v3 base score is 6.5 out of 10.