CVE-2026-6816
TFA Basic Plugins - Access Bypass
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.
INFO
Published Date :
May 28, 2026, 11:16 p.m.
Last Modified :
June 1, 2026, 5:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-6816
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 2c85b837-eb8b-40ed-9d74-228c62987387 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update TFA Basic Plugins to version 7.x-1.3 or later.
- Review user permissions for 'administer users'.
- Ensure TFA is correctly configured for all users.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-6816.
| URL | Resource |
|---|---|
| https://d7es.tag1.com/security-advisories/tfa-basic-plugins-less-critical-access-bypass-sa-contrib-2025-085 | Third Party Advisory |
| https://www.herodevs.com/vulnerability-directory/cve-2026-6816 | Exploit Third Party Advisory |
| https://www.herodevs.com/vulnerability-directory/cve-2026-6816?nes-for-drupal-7 | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-6816 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-6816
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-6816 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-6816 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 01, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:tfa_basic_plugins_project:tfa_basic_plugins:*:*:*:*:*:drupal:*:* versions from (including) 7.x-1.0 up to (excluding) 7.x-1.3 Added Reference Type Drupal.org: https://d7es.tag1.com/security-advisories/tfa-basic-plugins-less-critical-access-bypass-sa-contrib-2025-085 Types: Third Party Advisory Added Reference Type Drupal.org: https://www.herodevs.com/vulnerability-directory/cve-2026-6816 Types: Exploit, Third Party Advisory Added Reference Type CISA-ADP: https://www.herodevs.com/vulnerability-directory/cve-2026-6816?nes-for-drupal-7 Types: Exploit, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 29, 2026
Action Type Old Value New Value Added Reference https://www.herodevs.com/vulnerability-directory/cve-2026-6816?nes-for-drupal-7 -
New CVE Received by [email protected]
May. 28, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-267 Added Reference https://d7es.tag1.com/security-advisories/tfa-basic-plugins-less-critical-access-bypass-sa-contrib-2025-085 Added Reference https://www.herodevs.com/vulnerability-directory/cve-2026-6816