CVE-2017-6919
HighSummary
Drupal 8 versions before 8.2.8 and 8.3 before 8.3.1 allow critical access bypass by authenticated users if the RESTful Web Services (rest) module is enabled and the site allows PATCH requests.
Risk Assessment
The organization may be exposed to unauthorized access to resources, potentially leading to data leaks or unauthorized changes in the system.
Recommendation
It is recommended to update Drupal to version 8.2.8 or 8.3.1 and to block PATCH requests if they are not necessary.
Other vulnerabilities in Drupal 8
See all- CVE-2017-6377High
In Drupal 8.2.x versions before 8.2.7, when adding a private file via the editor, access permissions for the attached file are not correctly checked, leading to an access bypass.
- CVE-2016-9450High
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks due to failure to specify a correct cache context.
- CVE-2016-3171High
Drupal 6.x before 6.38, when used with PHP before 5.4.45, 5.5.x before 5.5.29, or 5.6.x before 5.6.13, might allow remote attackers to execute arbitrary code via vectors related to session data truncation.
- CVE-2016-3165High
The Form API in Drupal 6.x before 6.38 ignores access restrictions on submit buttons, potentially allowing remote attackers to bypass intended access restrictions.
- CVE-2016-3164High
Drupal versions 6.x before 6.38, 7.x before 7.43, and 8.x before 8.0.4 may allow remote attackers to conduct open redirect attacks by leveraging (1) custom code or (2) a form shown on a 404 error page, related to path manipulation.
- CVE-2026-9082CriticalActively exploited
SQL Injection vulnerability in Drupal core. Improper neutralization of special elements in SQL commands allows an attacker to execute arbitrary SQL statements.
- CVE-2018-7602CriticalActively exploited
A remote code execution vulnerability exists within multiple subsystems of Drupal 7.x and 8.x. This potentially allows attackers to exploit multiple attack vectors on a Drupal site, which could result in the site being compromised. This vulnerability is related to Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-002. Both SA-CORE-2018-002 and this vulnerability are being exploited in the wild.
- CVE-2026-8493Medium
The Colorbox Inline module for Drupal is vulnerable to Cross-Site Scripting (XSS) in all versions before 2.1.1. The vulnerability is due to improper neutralization of input during web page generation.
Original NVD description (English source)
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.