CVE-2022-50926 WAGO 750-8212 PFC200 G2 2ETH RS Privilege Escalation

High 8.7 Published Updated

Attackers can escalate privileges to administrator by manipulating session cookies in WAGO PFC200 controllers, bypassing authentication.

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-2022-50926?

CVE-2022-50926 is a high-severity vulnerability in WAGO 750-8212 PFC200, published on 13 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

WAGO 750-8212 PFC200 G2 2ETH RS firmware contains a privilege escalation vulnerability that allows attackers to manipulate user session cookies. Attackers can modify the cookie's 'name' and 'roles' parameters to elevate from ordinary user to administrative privileges without authentication.

Weakness: CWE-565

Which versions are affected by CVE-2022-50926?

How do I fix CVE-2022-50926?

No fix has been published for CVE-2022-50926 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-50926 being exploited?

There is no known exploitation of CVE-2022-50926 in the wild and no public exploit code.

Sources

Also known as GHSA-5j3g-jm9f-qjgv.

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