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Lemmy has SSRF in /api/v3/post via Webmention dispatch

🗓️ 24 Apr 2026 15:22:49Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 8 Views

Authenticated low-priv users can trigger internal network requests via /api/v3/post Webmention by URL with only scheme validation.

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