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DRUPAL-CONTRIB-2026-169
The Webform module allows site builders to create forms, collect submissions, and configure access to forms and submission data.
Site builders may also configure handlers for processing submissions, including email handlers that may include uploaded files as attachments.
In affected configurations, Webform did not sufficiently validate a managed file upload element when processing a new submission. A user with access to submit a vulnerable webform could potentially access other managed files they were not authorized to view.
This vulnerability is mitigated by the fact that a site must have a Webform with a managed file upload element and a configuration that exposes submitted files, such as allowing users to view their own webform submissions or sending uploads as email attachments.
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Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
- CVE-2026-96366Alias
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