CVE-2017-6919 Drupal access control bypass vulnerability

What is CVE-2017-6919?

CVE-2017-6919 is a high-severity authentication bypass vulnerability in Drupal Drupal, published on 20 Apr 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Drupal 8 before 8.2.8 and 8.3 before 8.3.1 allows critical access bypass by authenticated users if the RESTful Web Services (rest) module is enabled and the site allows PATCH requests.

Which versions are affected by CVE-2017-6919?

8 open source packages ship an affected version, including drupal/core and drupal/drupal. It affects 1 product.

Products include Drupal Drupal.

How do I fix CVE-2017-6919?

Upgrade drupal/core to a fixed version for your release line: 8.2.8 or 8.3.1.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-6919 being exploited?

There is no known exploitation of CVE-2017-6919 in the wild and no public exploit code.

Other vulnerabilities in Drupal Drupal

• CVE-2026-9082 Drupal Core SQL Injection Exploited Critical 9.8
• CVE-2020-13671 Drupal core Un-restricted Upload of File Exploited High 8.8
• CVE-2019-6340 Drupal Core Remote Code Execution Exploited High 8.1
• CVE-2009-3352 Other in n/a Critical 10.0
• CVE-2024-55636 Drupal core - Less critical - Gadget chain - SA-CORE-2024-006 Critical 9.8

All Drupal Drupal vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6hpj-9xj7-2jxx.