CVE-2022-21697— SSRF vulnerability (requires authentication)
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I. Basic Information for CVE-2022-21697
Vulnerability Information
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Vulnerability Title
SSRF vulnerability (requires authentication)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Jupyter Server Proxy is a Jupyter notebook server extension to proxy web services. Versions of Jupyter Server Proxy prior to 3.2.1 are vulnerable to Server-Side Request Forgery (SSRF). Any user deploying Jupyter Server or Notebook with jupyter-proxy-server extension enabled is affected. A lack of input validation allows authenticated clients to proxy requests to other hosts, bypassing the `allowed_hosts` check. Because authentication is required, which already grants permissions to make the same requests via kernel or terminal execution, this is considered low to moderate severity. Users may upgrade to version 3.2.1 to receive a patch or, as a workaround, install the patch manually.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Jupyter Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jupyter Server是Jupyter社区的一款用于为Jupyter Web应用提供后端服务的应用软件。 Jupyter Server Proxy 存在安全漏洞，该漏洞源于允许通过验证的客户端将请求代理给其他主机从而绕过安全检查。
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 |
|---|---|---|---|---|
| jupyterhub | jupyter-server-proxy | < 3.2.1 | - |
II. Public POCs for CVE-2022-21697
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: jupyterhub
- CVE-2026-34052
LTI JupyterHub Authenticator: Unbounded Memory Growth via No - CVE-2026-33709
JupyterHub has an Open Redirect Vulnerability - CVE-2026-33175
OAuthenticator: Authentication Bypass in Auth0OAuthenticator - CVE-2025-32428
Jupyter Remote Desktop Proxy makes TigerVNC accessible via t - CVE-2023-25574
JupyterHub's LTI13Authenticator: JWT signature not validated
Same weakness: CWE-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2022-21697
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