CVE-2026-2403 Other in PowerChute™ Serial Shutdown

Medium 5.3 Published 14 Apr 2026 Updated 14 Apr 2026

A Web Admin user can truncate event and data logs by altering the log settings request payload, compromising log integrity.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-2403?

CVE-2026-2403 is a medium-severity vulnerability in Schneider Electric PowerChute™ Serial Shutdown, published on 14 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

CWE-1284 Improper Validation of Specified Quantity in Input vulnerability exists that could cause Event and Data Log truncation impacting log integrity when a Web Admin user alters the POST /logsettings request payload.

Weakness: CWE-1284

Which versions are affected by CVE-2026-2403?

It affects 1 product.

Products include Schneider-Electric Powerchute Serial Shutdown.

How do I fix CVE-2026-2403?

No fix has been published for CVE-2026-2403 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-2403 being exploited?

There is no known exploitation of CVE-2026-2403 in the wild and no public exploit code.

Sources

Also known as GHSA-v2cv-5hx2-p7w9.