CVE-2026-48063 Baileys has message upsert / hist sync spoofing and app state corruption when using maliciously crafted protocolMessage payload

Baileys is a cocket-based TS/JavaScript API for WhatsApp Web. In versions prior to both 6.7.22 and 7.0.0-rc12, any Baileys session can be sent a malicious payload via the placeholderResendMessage and trigger a fake messages.upsert event with a fake message key and payload. This allows anyone to...

GHSA-QVV5-JQ5G-4CGG Baileys has message upsert / hist sync spoofing and app state corruption when using maliciously crafted protocolMessage payload

Impact Any baileys session under the latest version false in socket config. There are no workarounds for the app state sync jamming...