CVE-2026-91146 [MEDIUM] – Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post co

Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post content and profile summaries, allowing remote actors to inject javascript: links. Attackers can deliver federated content with malicious javascript: hrefs that execute in the instance origin when clicked, enabling session hijacking or impersonation of viewers.