What is CVE-2026-6816?

CVE-2026-6816 is a low-severity vulnerability in Drupal Tfa Basic Plugins, classified under Privilege Defined With Unsafe Actions. CVSS score: 3.8/10. Published 2026-05-28.

How severe is CVE-2026-6816?

Low severity. CVSS v3 base score is 3.8 out of 10.

Privilege escalation in Drupal Tfa Basic Plugins

CVE-2026-6816

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.

EPSS: 0.000 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

Affected products

Drupal Tfa Basic Plugins — versions 7.x-1.0
Tfa_basic_plugins_project Tfa_basic_plugins

Weakness classification (CWE)

CWE-267 — Privilege Defined With Unsafe Actions

References

mlhess@drupal.org (Third Party Advisory, third-party-advisory)
mlhess@drupal.org (Exploit, Third Party Advisory, third-party-advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-6816?: CVE-2026-6816 is a low-severity vulnerability in Drupal Tfa Basic Plugins, classified under Privilege Defined With Unsafe Actions. CVSS score: 3.8/10. Published 2026-05-28.
How severe is CVE-2026-6816?: Low severity. CVSS v3 base score is 3.8 out of 10.