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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.

PUBLISHED Reserved 2026-05-05 | Published 2026-05-12 | Updated 2026-05-13 | Assigner GitHub_M




MEDIUM: 6.2CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

Problem types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

>= 0.43.0, < 0.161.0
affected

References

github.com/...o/hugo/security/advisories/GHSA-x597-9fr4-5857

cve.org (CVE-2026-44301)

nvd.nist.gov (CVE-2026-44301)

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