CVE-2016-3162 Drupal File upload access bypass and denial of service

What is CVE-2016-3162?

CVE-2016-3162 is a high-severity missing authorization vulnerability in Debian Debian Linux, published on 12 Apr 2016. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The File module in Drupal 7.x before 7.43 and 8.x before 8.0.4 allows remote authenticated users to bypass access restrictions and read, delete, or substitute a link to a file uploaded to an unprocessed form by leveraging permission to create content or comment and upload files.

Weakness: CWE-284

Which versions are affected by CVE-2016-3162?

8 open source packages ship an affected version, including drupal/core and drupal/drupal. It affects 2 products.

Products include Debian Debian Linux, Drupal Drupal.

How do I fix CVE-2016-3162?

Upgrade drupal/core to a fixed version for your release line: 7.43 or 8.0.4.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2016-3162 being exploited?

There is no known exploitation of CVE-2016-3162 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as GHSA-w2pj-c8x5-jvg2, UBUNTU-CVE-2016-3162.