CVE-2026-13348 Auth bypass in PowerChute™ Serial Shutdown
Attackers can bypass authentication limits to take over user accounts if redirect handling is disabled in 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-2026-13348?
CVE-2026-13348 is a medium-severity authentication bypass vulnerability in Schneider Electric PowerChute™ Serial Shutdown, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that could allow an attacker to gain unauthorized access to a user account by performing an arbitrary number of authentication attempts when redirect handling is disabled.
Weakness: CWE-307
Which versions are affected by CVE-2026-13348?
How do I fix CVE-2026-13348?
No fix has been published for CVE-2026-13348 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-13348 being exploited?
There is no known exploitation of CVE-2026-13348 in the wild and no public exploit code.
Sources
Also known as GHSA-6fcv-5fmp-gwgw.