Is CVE-2026-96366 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-96366 being exploited in the wild.

How severe is CVE-2026-96366?

Informational severity, published 22 October 2026.

Which products and versions are affected?

Drupal Webform before 6.2.12, and 6.3.0 before 6.3.1; Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform ECOSYSTEM:introduced=0,fixed=6.2.12|ECOSYSTEM:introduced=6.3.0,fixed=6.3.1.

Is there a fix for CVE-2026-96366?

Yes. Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform: upgrade to 6.2.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-96366 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-96366?

Check whether you run Drupal Webform or Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-96366: Drupal Webform module insufficient file upload validation

CVE-2026-96366 · Severity: info · Published 2026-10-22

The Webform module for Drupal, used to create forms and collect user submissions, fails to properly validate file uploads in certain configurations. An authenticated user could exploit this to access files uploaded by other users that they should not have permission to view, such as through viewing shared submissions or email attachments.

Technologies: Drupal Webform, Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform. Vendors: Drupal, Packagist:Https://Packages.Drupal.Org/8.

Quick answers

Is CVE-2026-96366 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-96366 being exploited in the wild.
How severe is CVE-2026-96366?: Informational severity, published 22 October 2026.
Which products and versions are affected?: Drupal Webform before 6.2.12, and 6.3.0 before 6.3.1; Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform ECOSYSTEM:introduced=0,fixed=6.2.12|ECOSYSTEM:introduced=6.3.0,fixed=6.3.1.
Is there a fix for CVE-2026-96366?: Yes. Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform: upgrade to 6.2.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-96366 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-96366?: Check whether you run Drupal Webform or Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform: upgrade to 6.2.12 or later

Technical details

The vulnerability exists in managed file upload element validation when processing new webform submissions. An attacker with form submission access can bypass file access controls to view files uploaded by other users. This requires specific site configuration (file-sharing features enabled, such as user-viewable submissions or email attachment handlers).

Affected products

Drupal Webform before 6.2.12, and 6.3.0 before 6.3.1

Identifiers

CVE-2026-96366
DRUPAL-CONTRIB-2026-169

Timeline

2026-09-23: disclosed

References

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