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6.9
CVE-2026-61428: PraisonAI AgentMail versions before 4.6.78: Spoofed Email Sender Addresses
CVE-2026-61428
Summary
PraisonAI AgentMail versions before 4.6.78 are vulnerable to email spoofing. This means that attackers can send fake emails that appear to come from legitimate sources. To protect your business, update to PraisonAI AgentMail version 4.6.78 or later.
Original title
PraisonAI AgentMail versions before 4.6.78 lack signature verification in webhook mode, allowing unauthenticated attackers to inject messages with spoofed sender addresses. Attackers can POST craft...
Original description
PraisonAI AgentMail versions before 4.6.78 lack signature verification in webhook mode, allowing unauthenticated attackers to inject messages with spoofed sender addresses. Attackers can POST crafted message.received events to the webhook endpoint to inject arbitrary content into the agent and trigger replies to attacker-controlled addresses, bypassing sender allow/block lists.
nvd CVSS3.1
7.3
nvd CVSS4.0
6.9
Vulnerability type
CWE-290
Published: 11 Jul 2026 · Updated: 20 Jul 2026 · First seen: 11 Jul 2026