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CVE-2026-35397 jupyter-server path traversal allows access to sibling directories sharing root_dir name prefix

🗓️ 05 May 2026 19:37:33Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

Authenticated users can bypass root_dir via path traversal to access sibling directories with the same prefix.

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Refs
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ATTACKERKB
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5 May 202600:00
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CVE-2026-35397
5 May 202619:37
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GithubExploit
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8 May 202614:22
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EUVD
EUVD-2026-27470
5 May 202616:49
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Github Security Blog
Jupyter Server: Path Traversal via incorrect startswith() root directory check allows access to sibling directories
5 May 202616:49
github
Rows per page
[
  {
    "vendor": "jupyter-server",
    "product": "jupyter_server",
    "versions": [
      {
        "version": "< 2.18.0",
        "status": "affected"
      }
    ]
  }
]

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