# DotVVM allows path traversal when deployed in Debug mode

Source: https://junglewise.ai/threats/dotvvm-allows-path-traversal-when-deployed-in-debug-mode-4048ed94  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-06-19  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2025-06-19

DotVVM allows path traversal when deployed in Debug mode

Technologies: [DotVVM (NuGet)](https://junglewise.ai/threats/technologies/dotvvm). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Low severity, with a CVSS score of 3.1, published 19 June 2025.

**Which products and versions are affected?** DotVVM (NuGet) ECOSYSTEM:introduced=4.3.0-preview01-final,fixed=4.3.8.

**Is there a fix for This vulnerability?** Yes. DotVVM (NuGet): upgrade to 4.3.8 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run DotVVM (NuGet) 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

- DotVVM (NuGet): upgrade to 4.3.8 or later

  ```sh
  dotnet add package DotVVM --version 4.3.8
  ```


## Affected products

- DotVVM (NuGet) ECOSYSTEM:introduced=4.3.0-preview01-final,fixed=4.3.8