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CVE-2026-61428— PraisonAI AgentMail before 4.6.78 Message Injection via Webhook

CVSS 7.3 · High EPSS 0.25% · P16

Affected Version Matrix 2

VendorProductVersion RangeStatus
MervinPraisonPraisonAI< 4.6.78affected
4.6.78unaffected
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I. Basic Information for CVE-2026-61428

Vulnerability Information
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Vulnerability Title
PraisonAI AgentMail before 4.6.78 Message Injection via Webhook
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Mervin Praison PraisonAI 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mervin Praison PraisonAI是Mervin Praison个人开发者开源的一个低代码多智能体协作框架。 Mervin Praison PraisonAI 4.6.78之前版本存在授权问题漏洞，该漏洞源于webhook模式缺少签名验证，可能导致未经身份验证的攻击者POST特制的message.received事件到webhook端点，注入任意内容到agent并触发向攻击者控制的地址回复，绕过发送者允许/阻止列表。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MervinPraisonPraisonAI 0 ~ 4.6.78 -

II. Public POCs for CVE-2026-61428

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6428 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-61428

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Vendor Advisories for CVE-2026-61428 (1)

Other References for CVE-2026-61428 (1)

Same Patch Batch · MervinPraison · 2026-07-11 · 9 CVEs total

CVE-2026-6144710.0 CRITICALPraisonAI before 1.6.78 Remote Code Execution via CodeAgent
CVE-2026-614459.9 CRITICALPraisonAI before 4.6.78 Arbitrary File Write and Command Execution
CVE-2026-600909.8 CRITICALPraisonAI before 4.6.78 SQL/CQL Injection via vector dimension
CVE-2026-614268.6 HIGHPraisonAI before 1.7.3 Unauthenticated Agent Access via Insecure Defaults
CVE-2026-614298.5 HIGHPraisonAI before 1.6.78 SSRF via Crawl4AI Chromium backend
CVE-2026-614397.5 HIGHPraisonAI before 4.6.78 Prompt Injection Defense Bypass
CVE-2026-614427.1 HIGHPraisonAI Platform before 0.1.9 Authorization Bypass via PATCH
CVE-2026-600885.5 MEDIUMPraisonAI before 4.6.78 Path Traversal via Custom Commands

IV. Related Vulnerabilities

Same product: PraisonAI
Same vendor: MervinPraison
Same weakness: CWE-290

V. Comments for CVE-2026-61428

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