High
Hugo v0.162.0 before v0.166.0 IP-literal Deny Rule Bypass
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.
Announced Source revision 1
Original source ↗CVE-2026-100693
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-100693
hugo
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "gohugoio",
"product": "hugo",
"versions": [
{
"status": "affected",
"version": "0.162.0",
"lessThan": "0.166.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "0.166.0",
"versionType": "semver"
}
],
"packageURL": "pkg:golang/github.com/gohugoio/hugo",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-100693
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #4640 · Revision 1
- Added to Heist Feed
- Publisher date