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[ CVE-2026-61436 · Published 15 Jul 2026 ]

PraisonAI: AgentMail webhook mode accepts forged unsigned message.received events and invokes agents

CVSS 8.6 EPSS <1%Fix available

[ Why it matters ]Priority signals

  • Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message content.

[ Fixes ]Fixes and patches

  • praisonai 4.6.78Fixed version · GitHub Advisories · pip package praisonai: upgrade to 4.6.78 or later (affected <= 4.6.77)

[ Packages ]Affected open-source packages

[ References ]References