PT-2026-30283 · Hugo · Hugo

Cataliniovita · Published 2026-04-03 · Updated 2026-04-06 · CVE-2026-35166

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Hugo versions 0.60.0 through 0.159.1

Description Hugo, a static site generator, has an issue where links and image links in the default markdown to HTML renderer are not properly escaped. Users who trust their Markdown content or have custom render hooks for links and images are not affected.

Recommendations Update to version 0.159.2 or later. Create custom render hooks for links and images in a Hugo theme/project.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-35166

GHSA-MCV8-8M8X-48PG

RHSA-2026:7848

Affected Products

Hugo

References · 11

• https://github.com/gohugoio/hugo/security/advisories/GHSA-mcv8-8m8x-48pg · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-35166 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-35166 · Security Note
• https://osv.dev/vulnerability/GHSA-mcv8-8m8x-48pg · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-35166 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-35166 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-35166 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-35166 · Vendor Advisory
• https://github.com/gohugoio/hugo · Note
• https://github.com/gohugoio/hugo/commit/479fe6c654937a850b65e74551dc4e857d52898f · Note
• https://twitter.com/CVEnew/status/2041223951079133449 · Twitter Post