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CVE PROGRAM SOURCE RECORD9.2 Critical

CVE-2026-57578

DotVVM: Missing authorization in AuthorizeActionFilter

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Status
Published
Published
Updated
Assigning organization
GitHub_M

Description

DotVVM is an open source MVVM framework for web applications. Prior to 4.2.11, 4.3.15, and 5.0.0-preview09-final, AuthorizeActionFilter performs no authorization because its explicit ICommandActionFilter.OnCommandExecutingAsync, IViewModelActionFilter.OnViewModelCreatedAsync, and IPresenterActionFilter.OnPresenterExecutingAsync implementations return completed tasks instead of invoking the corresponding checks. Applications relying on this filter can therefore expose protected commands, view models, or presenters to unauthorized requests without any special bypass technique. AuthorizeAttribute correctly implements the same interfaces and can be used as a workaround. This issue is fixed in versions 4.2.11, 4.3.15, and 5.0.0-preview09-final.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

riganti dotvvm

  • < 4.2.11affected
  • >= 4.3.0, < 4.3.15affected
  • >= 5.0.0-preview01, < 5.0.0-preview09-finalaffected

References