Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-100693 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.4 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/gohugoio/hugo/security/advisories/GHSA-pmrv-x7gp-2rjw [email protected]Vendor Advisory
https://www.vulncheck.com/advisories/hugo-0.162.0-before-0.166.0-ip-literal-deny-rule-bypass [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-178Improper Handling of Case Sensitivity[email protected]

Affected Products

ProductVersions
gohugo hugo
>= 0.162.0, < 0.166.0

CPE

  • cpe:2.3:a:gohugo:hugo:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-100693
NVD Published Date:
Sep 26, 2026
NVD Last Modified:
Sep 30, 2026
Source:
[email protected]