{"action":"Upgrade loofah to 2.25.2 or later.","affected":[{"fixed":"2.25.2","introduced":"2.25.0"}],"component":"loofah","cve_ids":["CVE-2026-73491"],"ecosystem":"RubyGems","epss":0.00394,"exploited":false,"fixed_versions":["2.25.2"],"ghsa_id":"GHSA-8whx-365g-h9vv","id":"tcs_01M5KEJ59PB3PGKNNG5NYEDMVD","modified_at":"2026-09-10T03:51:11.109228326Z","published_at":"2026-07-21T15:04:14Z","references":["https://osv.dev/vulnerability/GHSA-8whx-365g-h9vv","https://github.com/flavorjones/loofah/security/advisories/GHSA-8whx-365g-h9vv","https://github.com/flavorjones/loofah/commit/5e91af861e3cdab47b91dd0b81f3afdfd13a5e19","https://github.com/flavorjones/loofah","https://github.com/flavorjones/loofah/releases/tag/v2.25.2"],"severity":{"label":"low","score":2.3},"sources":[{"source":"osv","source_id":"GHSA-8whx-365g-h9vv","url":"https://osv.dev/vulnerability/GHSA-8whx-365g-h9vv"},{"source":"nvd","source_id":"CVE-2026-73491","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73491"}],"summary":"Loofah `allowed_uri?` does not detect `javascript:` URIs split by named whitespace character references"}