CVE-2026-61436

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.

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33
https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258
https://www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-15 12:18

Updated : 2026-07-15 19:50

NVD link : CVE-2026-61436

Mitre link : CVE-2026-61436

CVE.ORG link : CVE-2026-61436

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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