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Red Hat Security Advisory

RHSA-2026:66266

Red Hat Hardened Images RPMs bug fix and enhancement update

Released 2026-09-09 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 9 records

Priority MEDIUM 44

Hugo versions from v0.161.0 through v0.165.0 run Node.js tools (css.PostCSS, css.TailwindCSS, js.Babel) under the Node.js permission model to restrict file system reads to the project directory and configured mounts.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00356 Published 2026-09-26 Partial fix · 0.166.0 CWE-59
Priority LOW 38

Hugo versions from v0.162.0 before v0.166.0 contain a case-sensitive validation flaw in the security.http.urls IP-literal deny rule that allows attackers to bypass restrictions.

CVSS 4.0HIGH 8.6 Local No auth No interaction EPSS 0.00139 Published 2026-09-26 Fixed in 0.166.0 CWE-178
Priority LOW 22

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the `lineAnchors` option before passing it to Chroma, which writes the value verbatim into…

CVSS 4.0MEDIUM 5.1 Network Low privileges User interaction EPSS 0.00172 Published 2026-09-26 Partial fix · 0.166.0 CWE-79