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CVE-2026-63313— 9Router before 0.4.72 Server-Side Request Forgery via /v1/web/fetch

CVSS 7.7 · High
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I. Basic Information for CVE-2026-63313

Vulnerability Information
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Vulnerability Title
9Router before 0.4.72 Server-Side Request Forgery via /v1/web/fetch
Source: CVE Program / CVE List V5
Vulnerability Description
9Router before 0.4.72 contains a server-side request forgery (SSRF) vulnerability in the /v1/web/fetch endpoint. The endpoint accepts a user-controlled url parameter and passes it to a configured external scraping provider (Firecrawl, Jina Reader, Tavily, or Exa) to fetch content. The URL is only validated as syntactically valid via new URL() with no blocklist for private IP ranges, cloud metadata endpoints (e.g., 169.254.169.254), link-local addresses, or internal hostnames. An authenticated or locally-connected user can cause the server to fetch arbitrary internal URLs and have the response content returned, enabling read-access SSRF that can expose cloud metadata credentials, reach internal services, and bypass authentication on localhost endpoints.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
decolua9router 0 ~ 0.4.72 -

II. Public POCs for CVE-2026-63313

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7390 chars
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III. Intelligence Information for CVE-2026-63313

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Vendor Advisories for CVE-2026-63313 (1)

News Coverage for CVE-2026-63313 (1)

IV. Related Vulnerabilities

Same product: 9router
Same vendor: decolua
Same weakness: CWE-918

V. Comments for CVE-2026-63313

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