CVE-2026-6816 TFA Basic Plugins - Access Bypass

Medium 5.1 Published Updated

Users with administer users permission can view or generate recovery codes for other users, bypassing two-factor authentication controls.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-6816?

CVE-2026-6816 is a medium-severity missing authorization vulnerability in Drupal TFA Basic Plugins, published on 28 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An access bypass vulnerability in Drupal TFA Basic Plugins allows users with the administer users permission to view or generate recovery codes for other users.

This issue affects TFA Basic Plugins: from 7.x-1.0 through 7.x-1.2.

Weakness: CWE-267

Which versions are affected by CVE-2026-6816?

It affects 1 product.

Products include Tfa Basic Plugins Project Tfa Basic Plugins.

How do I fix CVE-2026-6816?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-6816 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6816 exists.

Sources

Also known as CLSA-2026-1789638824, GHSA-rgcr-rww9-8rr3.

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