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I. Basic Information for CVE-2026-4528
Vulnerability Information

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Vulnerability Title
trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in trueleaf ApiFlow 0.9.7. The impacted element is the function validateUrlSecurity of the file packages/server/src/service/proxy/http_proxy.service.ts of the component URL Validation Handler. This manipulation causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
ApiFlow 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ApiFlow是ApiFlow开源的一个API开发协作平台。 ApiFlow 0.9.7版本存在代码问题漏洞,该漏洞源于URL Validation Handler组件文件packages/server/src/service/proxy/http_proxy.service.ts中函数validateUrlSecurity存在服务端请求伪造,可能导致远程执行任意代码。
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
trueleafApiFlow 0.9.7 -
II. Public POCs for CVE-2026-4528
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III. Intelligence Information for CVE-2026-4528
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