CVE-2026-85621 LobeChat 2.2.1 Webhook Signature Verification Bypass QQ Feishu

LobeChat LobeHub 2.2.1 does not properly verify inbound chat-platform webhook signatures in the QQ and Feishu adapters. The webhook route /api/agent/webhooks/:platform is unauthenticated by design and delegates verification to each adapter; the QQ adapter performs no Ed25519 signature verificatio...

PT-2026-85545

LobeChat LobeHub 2.2.1 does not properly verify inbound chat-platform webhook signatures in the QQ and Feishu adapters. The webhook route /api/agent/webhooks/:platform is unauthenticated by design and delegates verification to each adapter; the QQ adapter performs no Ed25519 signature verificatio...