ruby-loofah: Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri
CVE-2026-73492 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-73492, released August 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. From 2.25.0 until 2.25.2, Loofah::HTML5::Scrub.allowed_uri? does not reject javascript: or vbscript: URIs whose scheme is split by semicolon-less numeric character references such as :, 	, 
, or 
. CGI.unescapeHTML leaves these references encoded, so allowed_uri? reports the URL safe even though a browser decodes an encoded colon or strips encoded whitespace and executes the resulting URI scheme. This issue affects only callers that pass HTML-encoded strings directly to allowed_uri?; Loofah's default sanitize() path is not affected. This issue is fixed in version 2.25.2.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| hawk2 · opensuse-leap 16.0 | 2.7.2+git.1788518533.7d4dadd6-160000.1.1 | OPENSUSE-SU-2026:22068-1 | Nov 7, 2026 |
| hawk2 · sles 16.0 | 2.7.2+git.1788518533.7d4dadd6-160000.1.1 | SUSE-SU-2026:24195-1 | Nov 7, 2026 |
| ruby-loofah · Debian 14 | 2.25.2-1 | DEBIAN-CVE-2026-73492 | Aug 15, 2026 |
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