CVE-2026-61436

High

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.

SeverityHigh

CVSS8.6

Exploit probability—

ProductPraisonai

PublishedJul 15, 2026

First seenJul 15, 2026

Weakness typeCWE-287Improper authentication

How to fix

Update

praisonai4.6.78 or later

Patches

github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753
github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33

Vendor advisories

github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258

Affected products

Product	Affected versions	Fixed in
praisonaiPyPI	v < 4.6.78	4.6.78

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