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CVE-2026-61428 Details

ANALYZED

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

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.

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:7.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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-qj9c-59p6-8cgx	CISA-ADP	AdvisoryExploitRemedyVendor
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-qj9c-59p6-8cgx	[email protected]	AdvisoryExploitRemedyVendor
https://www.vulncheck.com/advisories/praisonai-agentmail-before-message-injection-via-webhook	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-290	Authentication Bypass by Spoofing	[email protected]

Affected Products

Product	Versions
PraisonAI AgentMail	<= 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 13, 2026	CVE Modified	CISA-ADP
Jul 11, 2026	New CVE Received	[email protected]