What is CVE-2026-2400?

CVE-2026-2400 is a medium-severity vulnerability in Schneider Electric Powerchute™ Serial Shutdown, classified under CRLF Injection. CVSS score: 4.3/10. Published 2026-04-14.

How severe is CVE-2026-2400?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Schneider Electric Powerchute™ Serial Shutdown

CVE-2026-2400

CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability exists that could cause application user credentials to reset when a Web Admin user alters the POST /setPCBEDesc request payload.

Vulnerability class: CRLF Injection

EPSS: 0.002 (14.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

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

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

cybersecurity@se.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-2400?: CVE-2026-2400 is a medium-severity vulnerability in Schneider Electric Powerchute™ Serial Shutdown, classified under CRLF Injection. CVSS score: 4.3/10. Published 2026-04-14.
How severe is CVE-2026-2400?: Medium severity. CVSS v3 base score is 4.3 out of 10.