High severity8.1GHSA Advisory· Published May 12, 2026· Updated May 21, 2026
CVE-2026-44301
CVE-2026-44301
Description
Hugo is a static site generator. From 0.43 to before 0.161.0, when building a Hugo site that uses Node-based asset pipelines (PostCSS, Babel, TailwindCSS), Hugo invoked the configured Node tools without restrictions on file system access. As a result, executing hugo against an untrusted site could allow code running through these tools to read or write files outside the project's working directory. Users who do not use PostCSS, Babel, or TailwindCSS, or who only build trusted sites, are not affected. This vulnerability is fixed in 0.161.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/gohugoio/hugoGo | >= 0.43.0, < 0.161.0 | 0.161.0 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-x597-9fr4-5857ghsaADVISORY
- github.com/gohugoio/hugo/security/advisories/GHSA-x597-9fr4-5857nvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-44301ghsaADVISORY
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