https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-02T10:12:22.197899+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-72728 CVE-2026-72728 — Discourse: Onebox iframe origin allowlist enforces URL authority boundary 2026-10-02T10:12:22.493181+00:00

Affected: discourse

Discourse is an open-source discussion platform. Prior to 2026.1.7, an authenticated user could submit specially formed URLs that bypassed the Onebox allowlist and embedded malicious content in a site. This issue is fixed in versions 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1.