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CVE-2026-61436 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CNA: [email protected]CVSS-B:8.6 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258	CISA-ADP	Advisory
https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33	[email protected]	Source CodeVendor
https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753	[email protected]	Source CodeVendor
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258	[email protected]	Advisory
https://www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
MervinPraison PraisonAI	<= 4.6.77 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 4.6.78moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Jul 15, 2026	CVE Modified	CISA-ADP
Jul 15, 2026	New CVE Received	[email protected]