CVE-2026-100693
8.6
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| gohugoio | hugo | 0.162.0 < 0.166.0 | affected |
| gohugoio | hugo | 0.166.0 | unaffected |
Weaknesses
- CWE-178: Improper Handling of Case Sensitivity
References
- https://github.com/gohugoio/hugo/security/advisories/GHSA-pmrv-x7gp-2rjw
- https://www.vulncheck.com/advisories/hugo-0.162.0-before-0.166.0-ip-literal-deny-rule-bypass
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.