CVE-2020-26167 Auth bypass in n/a

Critical 9.8 Published 4 Nov 2020 Updated 30 May 2025

An anonymous user can take complete ownership of any account, including administrators, via the page preview feature in FUEL CMS.

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-2020-26167?

CVE-2020-26167 is a critical authentication bypass vulnerability in n/a, published on 4 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In FUEL CMS 11.4.12 and before, the page preview feature allows an anonymous user to take complete ownership of any account including an administrator one.

Which versions are affected by CVE-2020-26167?

It affects 1 product.

Products include Thedaylightstudio Fuel Cms.

How do I fix CVE-2020-26167?

No fix has been published for CVE-2020-26167 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-2020-26167 being exploited?

There is no known exploitation of CVE-2020-26167 in the wild and no public exploit code.

Sources

Also known as GHSA-xqh9-89v8-g968.