CVE-2026-2404 Other in PowerChute™ Serial Shutdown

Medium 6.9 Published Updated

Attackers can inject forged log entries by manipulating POST request payloads in Schneider Electric PowerChute Serial Shutdown.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-2404?

CVE-2026-2404 is a medium-severity vulnerability in Schneider Electric PowerChute™ Serial Shutdown, published on 14 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

CWE-116 Improper Encoding or Escaping of Output vulnerability exists that could cause log injection and forged log when an attacker alters the POST /j_security check request payload.

Weakness: CWE-116

Which versions are affected by CVE-2026-2404?

It affects 1 product.

Products include Schneider-Electric Powerchute Serial Shutdown.

How do I fix CVE-2026-2404?

No fix has been published for CVE-2026-2404 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-2404 being exploited?

There is no known exploitation of CVE-2026-2404 in the wild and no public exploit code.

Sources

Also known as GHSA-vx8h-6mfq-gv3p.

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