CVE-2026-100693

Name	CVE-2026-100693
Description	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. Attackers can use mixed-case URL schemes in resources.GetRemote calls to fetch from restricted IP addresses like localhost.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
hugo (PTS)	bookworm	0.111.3-1	vulnerable
	trixie	0.131.0-1	vulnerable
	forky	0.165.0-3	vulnerable
	sid	0.166.0-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
hugo	source	(unstable)	0.166.0-1

https://github.com/gohugoio/hugo/security/advisories/GHSA-pmrv-x7gp-2rjw