High severity8.4NVD Advisory· Published Sep 26, 2026· Updated Sep 30, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Gohugoio/Hugo2 versions
cpe:2.3:a:gohugo:hugo:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gohugo:hugo:*:*:*:*:*:*:*:*range: >=0.162.0,<0.166.0
- (no CPE)range: >=0.162.0 <0.166.0

Patches

Vulnerability mechanics

References

github.com/gohugoio/hugo/security/advisories/GHSA-pmrv-x7gp-2rjwnvdVendor Advisory
www.vulncheck.com/advisories/hugo-0.162.0-before-0.166.0-ip-literal-deny-rule-bypassnvdThird Party Advisory

News mentions

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cvss	0.546
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000