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CVE-2026-56076— PraisonAI - Cross-Origin Agent Execution via Hardcoded Wildcard CORS and Missing Authentication on AGUI Endpoint

CVSS 8.1 · High EPSS 0.74% · P52

Affected Version Matrix 2

VendorProductVersion RangeStatus
PraisonAIPraisonAI< 1.5.128affected
1.5.128unaffected
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I. Basic Information for CVE-2026-56076

Vulnerability Information
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Vulnerability Title
PraisonAI - Cross-Origin Agent Execution via Hardcoded Wildcard CORS and Missing Authentication on AGUI Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
PraisonAI before 1.5.128 contains a cross-origin agent execution vulnerability in the AGUI endpoint that allows remote attackers to trigger arbitrary agent execution. The POST /agui endpoint lacks authentication and hardcodes Access-Control-Allow-Origin: * headers, combined with Starlette's Content-Type-agnostic JSON parsing, enabling attackers to bypass CORS preflight checks via simple requests and exfiltrate sensitive agent responses including tool execution results and environment data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过度许可的跨域白名单
Source: CVE Program / CVE List V5
Vulnerability Title
PraisonAI 配置错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PraisonAI PraisonAI是PraisonAI公司的一款整合人工智能代理的服务器中间件软件。 PraisonAI 1.5.128之前版本存在配置错误漏洞，该漏洞源于AGUI端点存在跨源代理执行漏洞，/agui端点缺少身份验证并硬编码Access-Control-Allow-Origin: *标头，结合Starlette的JSON解析方式，允许攻击者绕过CORS预检检查并窃取敏感代理响应。
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
PraisonAIPraisonAI 0 ~ 1.5.128 -

II. Public POCs for CVE-2026-56076

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7793 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-56076

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Vendor Advisories for CVE-2026-56076 (1)

Other References for CVE-2026-56076 (1)

Same Patch Batch · PraisonAI · 2026-06-18 · 5 CVEs total

CVE-2026-560788.8 HIGHPraisonAI - Arbitrary File Read and Write via Path Traversal in MultiAgentMonitor
CVE-2026-560758.8 HIGHPraisonAI - Arbitrary Shell Command Execution via Hardcoded Approval Mode Override
CVE-2026-560776.5 MEDIUMPraisonAI - Information Disclosure via Shared MultiAgentLedger State
CVE-2026-560745.5 MEDIUMPraisonAI - Tool Approval Cache Bypass via Coarse-Grained Caching

IV. Related Vulnerabilities

Same product: PraisonAI
Same vendor: PraisonAI
Same weakness: CWE-942

V. Comments for CVE-2026-56076

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