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CVE-2026-65056— mcp-webresearch Server-Side Request Forgery in visit_page Due to Missing Internal-IP Filtering

Quick assessment

Affected
mzxrai mcp-webresearch
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

mzxrai mcp-webresearch是mzxrai团队的一款网络调研协作模块。 mzxrai mcp-webresearch 0.1.7版本及之前版本存在服务端请求伪造漏洞，该漏洞源于visit_page工具仅验证URL协议而未过滤私有或保留IP范围，导致服务端请求伪造，攻击者可通过提示注入控制LLM的URL参数，引导服务器Playwright浏览器访问内部端点（如云实例元数据服务），造成返回敏感内部页面内容（包括凭据）进入模型环境中。

CVSS 8.2 · High EPSS 0.41% · P32

Affected Version Matrix 1

VendorProduct Version RangeStatus
mzxrai mcp-webresearch ≤ 0.1.7 affected
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I. Basic Information for CVE-2026-65056

Vulnerability Information
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Vulnerability Title
mcp-webresearch Server-Side Request Forgery in visit_page Due to Missing Internal-IP Filtering
Source: CVE Program / CVE List V5
Vulnerability Description
mcp-webresearch 0.1.7 contains a server-side request forgery vulnerability that allows attackers to access internal network services by supplying loopback, link-local, or cloud metadata addresses to the visit_page tool, which only validates the URL protocol without filtering private or reserved IP ranges. Attackers can steer the LLM-controlled URL argument through prompt injection to navigate the server's Playwright browser to internal endpoints such as cloud instance metadata services, causing the server to return sensitive internal page content including credentials into the model context.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
mzxrai mcp-webresearch 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mzxrai mcp-webresearch是mzxrai团队的一款网络调研协作模块。 mzxrai mcp-webresearch 0.1.7版本及之前版本存在服务端请求伪造漏洞，该漏洞源于visit_page工具仅验证URL协议而未过滤私有或保留IP范围，导致服务端请求伪造，攻击者可通过提示注入控制LLM的URL参数，引导服务器Playwright浏览器访问内部端点（如云实例元数据服务），造成返回敏感内部页面内容（包括凭据）进入模型环境中。
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
mzxrai mcp-webresearch 0 ~ 0.1.7 -

II. Public POCs for CVE-2026-65056

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8079 chars
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III. Intelligence Information for CVE-2026-65056

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Vendor Advisories for CVE-2026-65056 (1)

News Coverage for CVE-2026-65056 (1)

IV. Related Vulnerabilities

Same weakness: CWE-918

V. Comments for CVE-2026-65056

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