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CVE-2026-39377

MEDIUM · CVSS 6.5 EPSS %0.04 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-04-21T01:16:05.937 · Çekilme zamanı: 2026-05-18T13:57:10.883514+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

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CVE
CVE-2026-39377
Severity
MEDIUM
CVSS
6.5
EPSS
%0.04

Orijinal NVD Açıklaması

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. Versions 6.5 through 7.17.0 allow arbitrary file writes to locations outside the intended output directory when processing notebooks containing crafted cell attachment filenames. The `ExtractAttachmentsPreprocessor` passes attachment filenames directly to the filesystem without sanitization, enabling path traversal attacks. This vulnerability provides complete control over both the destination path and file extension. Version 7.17.1 contains a patch.