{"id":"CVE-2026-100693","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-100693","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…","details":"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.","published":"2026-09-26T14:16:54.007","modified":"2026-09-26T14:16:54.007","cvss":{"score":8.4,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-pmrv-x7gp-2rjw"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/hugo-0.162.0-before-0.166.0-ip-literal-deny-rule-bypass"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-26T14:16:54.007"}}