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I. Basic Information for CVE-2026-34936
Vulnerability Information

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Vulnerability Title
PraisonAI: SSRF via Unvalidated api_base in passthrough() Fallback
Source: NVD (National Vulnerability Database)
Vulnerability Description
PraisonAI is a multi-agent teams system. Prior to version 4.5.90, passthrough() and apassthrough() in praisonai accept a caller-controlled api_base parameter that is concatenated with endpoint and passed directly to httpx.Client.request() when the litellm primary path raises AttributeError. No URL scheme validation, private IP filtering, or domain allowlist is applied, allowing requests to any host reachable from the server. This issue has been patched in version 4.5.90.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
PraisonAI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PraisonAI是Mervin Praison个人开发者的一个低代码多智能体协作框架。 PraisonAI 4.5.90之前版本存在安全漏洞,该漏洞源于passthrough和apassthrough函数接受调用者控制的api_base参数,未经URL方案验证、私有IP过滤或域名白名单检查即发送请求,可能导致服务端请求伪造。
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 < 4.5.90 -
II. Public POCs for CVE-2026-34936
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
kimi-k2.5 · 6467 chars
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III. Intelligence Information for CVE-2026-34936
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IV. Related Vulnerabilities
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