CVE-2026-2402: Schneider Electric Powerchute Serial Shutdown

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints.

Affected products

• Schneider Electric Powerchute Serial Shutdown: before 1.5 (fixed in 1.5)

Published 2026-04-14. Last modified 2026-06-17.