# Under-validated ComSpec and cmd.exe resolution in Mutagen projects

Source: https://junglewise.ai/threats/under-validated-comspec-and-cmd-exe-resolution-in-mutagen-projects-1b1aa8a8  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-05-05  
License: CC BY 4.0 with a link back

Severity: info · Published 2023-05-05

Under-validated ComSpec and cmd.exe resolution in Mutagen projects

Technologies: [github.com/mutagen-io/mutagen (Go)](https://junglewise.ai/threats/technologies/github-com-mutagen-io-mutagen). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## 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?** Informational severity, published 5 May 2023.

**Which products and versions are affected?** github.com/mutagen-io/mutagen (Go) SEMVER:introduced=0,fixed=0.16.6.

**Is there a fix for This vulnerability?** Yes. github.com/mutagen-io/mutagen (Go): upgrade to 0.16.6 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 github.com/mutagen-io/mutagen (Go) 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

- github.com/mutagen-io/mutagen (Go): upgrade to 0.16.6 or later

  ```sh
  go get github.com/mutagen-io/mutagen@v0.16.6
  ```


## Affected products

- github.com/mutagen-io/mutagen (Go) SEMVER:introduced=0,fixed=0.16.6

## Related threats

- [Mutagen list and monitor operations do not neutralize control characters in text controlled by remote endpoints](https://junglewise.ai/threats/cve-2023-30844-mutagen-list-and-monitor-operations-do-not-neutralize-control)
- [GO-2023-1758 - Under-validated ComSpec and cmd.exe resolution in Mutagen projects in github.com/mutagen-io/mutagen](https://junglewise.ai/threats/go-2023-1758-under-validated-comspec-and-cmd-exe-resolution-in-mutagen-d284da8f)