CVE-2026-2328 Backend Access Due to Insufficient Input Validation

High 7.5 Published Updated

Unauthenticated attackers can access backend components via path traversal, exposing sensitive information in WAGO Device Sphere and Solution Builder.

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-2026-2328?

CVE-2026-2328 is a high-severity path traversal vulnerability in WAGO Device Sphere, published on 30 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An unauthenticated remote attacker can exploit insufficient input validation to access backend components beyond their intended scope via path traversal, resulting in exposure of sensitive information.

Weakness: CWE-790

Which versions are affected by CVE-2026-2328?

How do I fix CVE-2026-2328?

No fix has been published for CVE-2026-2328 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-2328 being exploited?

There is no known exploitation of CVE-2026-2328 in the wild and no public exploit code.

Sources

Also known as GHSA-hfg6-72xh-m6qg.

Is CVE-2026-2328 in your software?

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