CVE-2023-40170— cross-site inclusion (XSSI) of files in jupyter-server
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I. Basic Information for CVE-2023-40170
Vulnerability Information
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Vulnerability Title
cross-site inclusion (XSSI) of files in jupyter-server
Source: NVD (National Vulnerability Database)
Vulnerability Description
jupyter-server is the backend for Jupyter web applications. Improper cross-site credential checks on `/files/` URLs could allow exposure of certain file contents, or accessing files when opening untrusted files via "Open image in new tab". This issue has been addressed in commit `87a49272728` which has been included in release `2.7.2`. Users are advised to upgrade. Users unable to upgrade may use the lower performance `--ContentsManager.files_handler_class=jupyter_server.files.handlers.FilesHandler`, which implements the correct checks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Jupyter Server 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jupyter Server是Jupyter组织的一款用于为Jupyter Web应用提供后端服务的应用软件。 Jupyter Server 2.7.2之前版本存在访问控制错误漏洞，该漏洞源于对URL进行不正确的跨站点凭据检查，可能会导致某些文件内容暴露或者打开不受信任的文件。
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 |
|---|---|---|---|---|
| jupyter-server | jupyter_server | < 2.7.2 | - |
II. Public POCs for CVE-2023-40170
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: jupyter_server
- CVE-2026-40934
jupyter-server authentication cookies remain valid after pas - CVE-2026-40110
jupyter-server CORS origin validation bypass via unanchored - CVE-2026-35397
jupyter-server path traversal allows access to sibling direc - CVE-2025-61669
jupyter_server next parameter open redirect can redirect use - CVE-2024-35178
Jupyter server on Windows discloses Windows user password ha
Same vendor: jupyter-server
- CVE-2026-40934
jupyter-server authentication cookies remain valid after pas - CVE-2026-40110
jupyter-server CORS origin validation bypass via unanchored - CVE-2026-35397
jupyter-server path traversal allows access to sibling direc - CVE-2025-61669
jupyter_server next parameter open redirect can redirect use - CVE-2024-35178
Jupyter server on Windows discloses Windows user password ha
Same weakness: CWE-284
- CVE-2026-8233
Dotouch XproUPF access control - CVE-2026-42569
phpvms: /importer authorization bypass causing full database - CVE-2026-42205
Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. Comments for CVE-2023-40170
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