CVE-2026-6816 PUBLISHED

TFA Basic Plugins - Access Bypass

Assigner: drupal
Reserved: 21.04.2026 Published: 28.05.2026 Updated: 28.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Drupal
Product	TFA Basic Plugins
Versions	Default: unknown affected from 7.x-1.0 to 7.x-1.2 (incl.)

References

Problem Types

CWE-267 Privilege Defined With Unsafe Actions CWE

Impacts

CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels