YouTransfer npm Package Issue: Arbitrary Code Execution Risk
- Severity
- HIGH
- Affected component
- youtransfer (npm)
- Affected versions
- <= 1.0.6
- Patched version
- Not yet available
An issue in the YouTransfer npm package version 1.0.6 may allow attackers to execute arbitrary code. Users of this version are advised to take immediate action.
What happened
The YouTransfer npm package version 1.0.6 has an issue in its sendmail transport integration. This vulnerability reportedly allows attackers to execute arbitrary code by supplying a specially crafted request. The issue was first flagged on June 15, 2026. There are no reports of this vulnerability being exploited in the wild at this time.
Users of the YouTransfer package version 1.0.6 should assess their exposure to this vulnerability. If your project depends on this version, you are potentially at risk. It is recommended to avoid using this version or upgrade to a fixed version if one becomes available.
What to do about it
- Avoid using YouTransfer npm package version 1.0.6 in your projects.
- Check your project dependencies for YouTransfer version 1.0.6 and remove or replace it.
- Monitor the GitHub Advisory Database and other primary sources for updates on a fixed version.
- If a fixed version is released, upgrade your dependencies to the patched version immediately.
- Run security scans on your project to identify and mitigate any potential vulnerabilities.
How 0Day would have caught this
youtransfer is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.
Frequently asked questions
Am I affected?
If you are using YouTransfer npm package version 1.0.6, you are potentially affected by this vulnerability.
What should I do right now?
Avoid using YouTransfer version 1.0.6 and monitor primary sources for updates on a fixed version.
Is there a patched version available?
No official fix has been published yet. Monitor the sources for updates.