Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gohugo | Hugo | >= 0.162.0, < 0.166.0 |
Related Weaknesses (CWE)
References
- https://github.com/gohugoio/hugo/security/advisories/GHSA-pmrv-x7gp-2rjwVendor Advisory
- https://www.vulncheck.com/advisories/hugo-0.162.0-before-0.166.0-ip-literal-denyThird Party Advisory
FAQ
What is CVE-2026-100693?
CVE-2026-100693 is a vulnerability with a CVSS score of 8.4 (HIGH). 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 mixe...
How severe is CVE-2026-100693?
CVE-2026-100693 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-100693?
Check the references section above for vendor advisories and patch information. Affected products include: Gohugo Hugo.