CVE-2026-72722

Discourse (open‑source discussion platform) contains a vulnerability in TopicLink processing prior to versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0. The affected components are TopicLink.extract_from, TopicLink.ensure_entry_for, and TopicLink.duplicate_lookup. The root cause is that Guardia...