Vulnerability library
Security checkSeptember 29, 2026

webpack-dev-middleware vulnerable to Path Traversal via non-slash-terminated publicPath

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Description

[!IMPORTANT] CVE-2026-76844 was assigned and published for this issue by VulnCheck on 2026-08-24 without prior coordination with the webpack maintainers or the OpenJS Foundation, which holds the CVE Numbering Authority scope for webpack projects.

Recommendation

Update the webpack-dev-middleware package to the latest compatible version. Followings are version details:

  • Affected version(s): **< 7.4.5 >= 8.0.0, < 8.3.0**
  • Patched version(s): **7.4.6 8.3.0**

References

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Related Issues

See something that needs correcting? Let us knowUpdated September 29, 2026