CVE-2026-100693

hugo: Hugo versions from v0.162.0 before v0.166.0 contain a case-sensitive validation flaw in the security.http.urls IP-lit...

CVE-2026-100693 is fixed in hugo on 1 platform by DEBIAN-CVE-2026-100693 (version 0.166.0-1), released October 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0014

3rd percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
hugo · Debian 14	0.166.0-1	DEBIAN-CVE-2026-100693	Oct 12, 2026

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