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CVE-2026-9813— FlowIntel external reference URL probe allows server-side request forgery

Quick assessment

Affected
flowintel flowintel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

flowintel是flowintel开源的一款安全分析师案件与任务管理平台。 FlowIntel 3.3.0及之前版本存在安全漏洞，该漏洞源于app/case/task.py中外部引用URL探测功能存在服务端请求伪造漏洞，可能导致提交外部引用URL的攻击者使应用服务器向攻击者指定的目标发出HTTP HEAD请求，由于对URL方案和解析目标地址的验证不足，受影响版本可能允许请求访问回环、链路本地、私有、保留或其他受限网络资源，从而可能从服务器网络环境与内部服务或云元数据端点进行交互。

AI Predicted 8.6 Difficulty: Moderate EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
flowintel flowintel < 3.3.0 affected
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I. Basic Information for CVE-2026-9813

Vulnerability Information
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Vulnerability Title
FlowIntel external reference URL probe allows server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
FlowIntel up to version 3.3.0 contains a server-side request forgery (SSRF) vulnerability in the external reference URL probe functionality in app/case/task.py. An attacker who can submit an external reference URL can cause the application server to issue an HTTP HEAD request to an attacker-specified destination. Due to insufficient validation of the URL scheme and resolved destination address, affected versions may allow requests to loopback, link-local, private, reserved, or other restricted network resources, potentially enabling interaction with internal services or cloud metadata endpoints from the server's network context.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:H/SA:H/S:N/RE:L/U:Green
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
flowintel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
flowintel是flowintel开源的一款安全分析师案件与任务管理平台。 FlowIntel 3.3.0及之前版本存在安全漏洞，该漏洞源于app/case/task.py中外部引用URL探测功能存在服务端请求伪造漏洞，可能导致提交外部引用URL的攻击者使应用服务器向攻击者指定的目标发出HTTP HEAD请求，由于对URL方案和解析目标地址的验证不足，受影响版本可能允许请求访问回环、链路本地、私有、保留或其他受限网络资源，从而可能从服务器网络环境与内部服务或云元数据端点进行交互。
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

Vendor Product Affected Versions CPE Subscribe
flowintel flowintel 0 ~ 3.3.0 -

II. Public POCs for CVE-2026-9813

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III. Intelligence Information for CVE-2026-9813

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Patches & Fixes for CVE-2026-9813 (1)

IV. Related Vulnerabilities

Same product: flowintel
Same vendor: flowintel
Same weakness: CWE-918

V. Comments for CVE-2026-9813

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